diff options
Diffstat (limited to 'drivers/net/ethernet/intel/iavf')
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_common.c | 253 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_ethtool.c | 140 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_main.c | 54 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_prototype.h | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_trace.h | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_txrx.c | 553 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_txrx.h | 146 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_type.h | 90 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_virtchnl.c | 17 |
10 files changed, 135 insertions, 1133 deletions
diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h index db8188c7ac..23a6557fc3 100644 --- a/drivers/net/ethernet/intel/iavf/iavf.h +++ b/drivers/net/ethernet/intel/iavf/iavf.h @@ -287,7 +287,7 @@ struct iavf_adapter { #define IAVF_FLAG_RESET_PENDING BIT(4) #define IAVF_FLAG_RESET_NEEDED BIT(5) #define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6) -#define IAVF_FLAG_LEGACY_RX BIT(15) +/* BIT(15) is free, was IAVF_FLAG_LEGACY_RX */ #define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16) #define IAVF_FLAG_QUEUES_DISABLED BIT(17) #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18) diff --git a/drivers/net/ethernet/intel/iavf/iavf_common.c b/drivers/net/ethernet/intel/iavf/iavf_common.c index 5a25233a89..aa751ce342 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_common.c +++ b/drivers/net/ethernet/intel/iavf/iavf_common.c @@ -432,259 +432,6 @@ enum iavf_status iavf_aq_set_rss_key(struct iavf_hw *hw, u16 vsi_id, return iavf_aq_get_set_rss_key(hw, vsi_id, key, true); } -/* The iavf_ptype_lookup table is used to convert from the 8-bit ptype in the - * hardware to a bit-field that can be used by SW to more easily determine the - * packet type. - * - * Macros are used to shorten the table lines and make this table human - * readable. - * - * We store the PTYPE in the top byte of the bit field - this is just so that - * we can check that the table doesn't have a row missing, as the index into - * the table should be the PTYPE. - * - * Typical work flow: - * - * IF NOT iavf_ptype_lookup[ptype].known - * THEN - * Packet is unknown - * ELSE IF iavf_ptype_lookup[ptype].outer_ip == IAVF_RX_PTYPE_OUTER_IP - * Use the rest of the fields to look at the tunnels, inner protocols, etc - * ELSE - * Use the enum iavf_rx_l2_ptype to decode the packet type - * ENDIF - */ - -/* macro to make the table lines short, use explicit indexing with [PTYPE] */ -#define IAVF_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\ - [PTYPE] = { \ - 1, \ - IAVF_RX_PTYPE_OUTER_##OUTER_IP, \ - IAVF_RX_PTYPE_OUTER_##OUTER_IP_VER, \ - IAVF_RX_PTYPE_##OUTER_FRAG, \ - IAVF_RX_PTYPE_TUNNEL_##T, \ - IAVF_RX_PTYPE_TUNNEL_END_##TE, \ - IAVF_RX_PTYPE_##TEF, \ - IAVF_RX_PTYPE_INNER_PROT_##I, \ - IAVF_RX_PTYPE_PAYLOAD_LAYER_##PL } - -#define IAVF_PTT_UNUSED_ENTRY(PTYPE) [PTYPE] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 } - -/* shorter macros makes the table fit but are terse */ -#define IAVF_RX_PTYPE_NOF IAVF_RX_PTYPE_NOT_FRAG -#define IAVF_RX_PTYPE_FRG IAVF_RX_PTYPE_FRAG -#define IAVF_RX_PTYPE_INNER_PROT_TS IAVF_RX_PTYPE_INNER_PROT_TIMESYNC - -/* Lookup table mapping the 8-bit HW PTYPE to the bit field for decoding */ -struct iavf_rx_ptype_decoded iavf_ptype_lookup[BIT(8)] = { - /* L2 Packet types */ - IAVF_PTT_UNUSED_ENTRY(0), - IAVF_PTT(1, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - IAVF_PTT(2, L2, NONE, NOF, NONE, NONE, NOF, TS, PAY2), - IAVF_PTT(3, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - IAVF_PTT_UNUSED_ENTRY(4), - IAVF_PTT_UNUSED_ENTRY(5), - IAVF_PTT(6, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - IAVF_PTT(7, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - IAVF_PTT_UNUSED_ENTRY(8), - IAVF_PTT_UNUSED_ENTRY(9), - IAVF_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - IAVF_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE), - IAVF_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - - /* Non Tunneled IPv4 */ - IAVF_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(25), - IAVF_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP, PAY4), - IAVF_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4), - IAVF_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4), - - /* IPv4 --> IPv4 */ - IAVF_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3), - IAVF_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3), - IAVF_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(32), - IAVF_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP, PAY4), - IAVF_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4), - - /* IPv4 --> IPv6 */ - IAVF_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3), - IAVF_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3), - IAVF_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(39), - IAVF_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP, PAY4), - IAVF_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT */ - IAVF_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3), - - /* IPv4 --> GRE/NAT --> IPv4 */ - IAVF_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3), - IAVF_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3), - IAVF_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(47), - IAVF_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4), - IAVF_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT --> IPv6 */ - IAVF_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3), - IAVF_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3), - IAVF_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(54), - IAVF_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4), - IAVF_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT --> MAC */ - IAVF_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3), - - /* IPv4 --> GRE/NAT --> MAC --> IPv4 */ - IAVF_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3), - IAVF_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3), - IAVF_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(62), - IAVF_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4), - IAVF_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT -> MAC --> IPv6 */ - IAVF_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3), - IAVF_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3), - IAVF_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(69), - IAVF_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP, PAY4), - IAVF_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT --> MAC/VLAN */ - IAVF_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3), - - /* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */ - IAVF_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3), - IAVF_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3), - IAVF_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(77), - IAVF_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP, PAY4), - IAVF_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4), - - /* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */ - IAVF_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3), - IAVF_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3), - IAVF_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(84), - IAVF_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP, PAY4), - IAVF_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4), - - /* Non Tunneled IPv6 */ - IAVF_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(91), - IAVF_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP, PAY4), - IAVF_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4), - IAVF_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4), - - /* IPv6 --> IPv4 */ - IAVF_PTT(95, IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3), - IAVF_PTT(96, IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3), - IAVF_PTT(97, IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(98), - IAVF_PTT(99, IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP, PAY4), - IAVF_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> IPv6 */ - IAVF_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3), - IAVF_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3), - IAVF_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(105), - IAVF_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP, PAY4), - IAVF_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT */ - IAVF_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3), - - /* IPv6 --> GRE/NAT -> IPv4 */ - IAVF_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3), - IAVF_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3), - IAVF_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(113), - IAVF_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4), - IAVF_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> IPv6 */ - IAVF_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3), - IAVF_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3), - IAVF_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(120), - IAVF_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4), - IAVF_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC */ - IAVF_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3), - - /* IPv6 --> GRE/NAT -> MAC -> IPv4 */ - IAVF_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3), - IAVF_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3), - IAVF_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(128), - IAVF_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4), - IAVF_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC -> IPv6 */ - IAVF_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3), - IAVF_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3), - IAVF_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(135), - IAVF_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP, PAY4), - IAVF_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC/VLAN */ - IAVF_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3), - - /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */ - IAVF_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3), - IAVF_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3), - IAVF_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(143), - IAVF_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP, PAY4), - IAVF_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */ - IAVF_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3), - IAVF_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3), - IAVF_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(150), - IAVF_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP, PAY4), - IAVF_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4), - - /* unused entries */ - [154 ... 255] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 } -}; - /** * iavf_aq_send_msg_to_pf * @hw: pointer to the hardware structure diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c index 378c3e9ddf..52273f7eab 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c +++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c @@ -240,29 +240,6 @@ static const struct iavf_stats iavf_gstrings_stats[] = { #define IAVF_QUEUE_STATS_LEN ARRAY_SIZE(iavf_gstrings_queue_stats) -/* For now we have one and only one private flag and it is only defined - * when we have support for the SKIP_CPU_SYNC DMA attribute. Instead - * of leaving all this code sitting around empty we will strip it unless - * our one private flag is actually available. - */ -struct iavf_priv_flags { - char flag_string[ETH_GSTRING_LEN]; - u32 flag; - bool read_only; -}; - -#define IAVF_PRIV_FLAG(_name, _flag, _read_only) { \ - .flag_string = _name, \ - .flag = _flag, \ - .read_only = _read_only, \ -} - -static const struct iavf_priv_flags iavf_gstrings_priv_flags[] = { - IAVF_PRIV_FLAG("legacy-rx", IAVF_FLAG_LEGACY_RX, 0), -}; - -#define IAVF_PRIV_FLAGS_STR_LEN ARRAY_SIZE(iavf_gstrings_priv_flags) - /** * iavf_get_link_ksettings - Get Link Speed and Duplex settings * @netdev: network interface device structure @@ -342,8 +319,6 @@ static int iavf_get_sset_count(struct net_device *netdev, int sset) return IAVF_STATS_LEN + (IAVF_QUEUE_STATS_LEN * 2 * netdev->real_num_tx_queues); - else if (sset == ETH_SS_PRIV_FLAGS) - return IAVF_PRIV_FLAGS_STR_LEN; else return -EINVAL; } @@ -386,21 +361,6 @@ static void iavf_get_ethtool_stats(struct net_device *netdev, } /** - * iavf_get_priv_flag_strings - Get private flag strings - * @netdev: network interface device structure - * @data: buffer for string data - * - * Builds the private flags string table - **/ -static void iavf_get_priv_flag_strings(struct net_device *netdev, u8 *data) -{ - unsigned int i; - - for (i = 0; i < IAVF_PRIV_FLAGS_STR_LEN; i++) - ethtool_puts(&data, iavf_gstrings_priv_flags[i].flag_string); -} - -/** * iavf_get_stat_strings - Get stat strings * @netdev: network interface device structure * @data: buffer for string data @@ -438,109 +398,12 @@ static void iavf_get_strings(struct net_device *netdev, u32 sset, u8 *data) case ETH_SS_STATS: iavf_get_stat_strings(netdev, data); break; - case ETH_SS_PRIV_FLAGS: - iavf_get_priv_flag_strings(netdev, data); - break; default: break; } } /** - * iavf_get_priv_flags - report device private flags - * @netdev: network interface device structure - * - * The get string set count and the string set should be matched for each - * flag returned. Add new strings for each flag to the iavf_gstrings_priv_flags - * array. - * - * Returns a u32 bitmap of flags. - **/ -static u32 iavf_get_priv_flags(struct net_device *netdev) -{ - struct iavf_adapter *adapter = netdev_priv(netdev); - u32 i, ret_flags = 0; - - for (i = 0; i < IAVF_PRIV_FLAGS_STR_LEN; i++) { - const struct iavf_priv_flags *priv_flags; - - priv_flags = &iavf_gstrings_priv_flags[i]; - - if (priv_flags->flag & adapter->flags) - ret_flags |= BIT(i); - } - - return ret_flags; -} - -/** - * iavf_set_priv_flags - set private flags - * @netdev: network interface device structure - * @flags: bit flags to be set - **/ -static int iavf_set_priv_flags(struct net_device *netdev, u32 flags) -{ - struct iavf_adapter *adapter = netdev_priv(netdev); - u32 orig_flags, new_flags, changed_flags; - int ret = 0; - u32 i; - - orig_flags = READ_ONCE(adapter->flags); - new_flags = orig_flags; - - for (i = 0; i < IAVF_PRIV_FLAGS_STR_LEN; i++) { - const struct iavf_priv_flags *priv_flags; - - priv_flags = &iavf_gstrings_priv_flags[i]; - - if (flags & BIT(i)) - new_flags |= priv_flags->flag; - else - new_flags &= ~(priv_flags->flag); - - if (priv_flags->read_only && - ((orig_flags ^ new_flags) & ~BIT(i))) - return -EOPNOTSUPP; - } - - /* Before we finalize any flag changes, any checks which we need to - * perform to determine if the new flags will be supported should go - * here... - */ - - /* Compare and exchange the new flags into place. If we failed, that - * is if cmpxchg returns anything but the old value, this means - * something else must have modified the flags variable since we - * copied it. We'll just punt with an error and log something in the - * message buffer. - */ - if (cmpxchg(&adapter->flags, orig_flags, new_flags) != orig_flags) { - dev_warn(&adapter->pdev->dev, - "Unable to update adapter->flags as it was modified by another thread...\n"); - return -EAGAIN; - } - - changed_flags = orig_flags ^ new_flags; - - /* Process any additional changes needed as a result of flag changes. - * The changed_flags value reflects the list of bits that were changed - * in the code above. - */ - - /* issue a reset to force legacy-rx change to take effect */ - if (changed_flags & IAVF_FLAG_LEGACY_RX) { - if (netif_running(netdev)) { - iavf_schedule_reset(adapter, IAVF_FLAG_RESET_NEEDED); - ret = iavf_wait_for_reset(adapter); - if (ret) - netdev_warn(netdev, "Changing private flags timeout or interrupted waiting for reset"); - } - } - - return ret; -} - -/** * iavf_get_msglevel - Get debug message level * @netdev: network interface device structure * @@ -585,7 +448,6 @@ static void iavf_get_drvinfo(struct net_device *netdev, strscpy(drvinfo->driver, iavf_driver_name, 32); strscpy(drvinfo->fw_version, "N/A", 4); strscpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); - drvinfo->n_priv_flags = IAVF_PRIV_FLAGS_STR_LEN; } /** @@ -1995,8 +1857,6 @@ static const struct ethtool_ops iavf_ethtool_ops = { .get_strings = iavf_get_strings, .get_ethtool_stats = iavf_get_ethtool_stats, .get_sset_count = iavf_get_sset_count, - .get_priv_flags = iavf_get_priv_flags, - .set_priv_flags = iavf_set_priv_flags, .get_msglevel = iavf_get_msglevel, .set_msglevel = iavf_set_msglevel, .get_coalesce = iavf_get_coalesce, diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 166832a421..c6dff09630 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -1,6 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2013 - 2018 Intel Corporation. */ +#include <linux/net/intel/libie/rx.h> + #include "iavf.h" #include "iavf_prototype.h" /* All iavf tracepoints are defined by the include below, which must @@ -45,6 +47,8 @@ MODULE_DEVICE_TABLE(pci, iavf_pci_tbl); MODULE_ALIAS("i40evf"); MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>"); MODULE_DESCRIPTION("Intel(R) Ethernet Adaptive Virtual Function Network Driver"); +MODULE_IMPORT_NS(LIBETH); +MODULE_IMPORT_NS(LIBIE); MODULE_LICENSE("GPL v2"); static const struct net_device_ops iavf_netdev_ops; @@ -714,40 +718,10 @@ static void iavf_configure_tx(struct iavf_adapter *adapter) **/ static void iavf_configure_rx(struct iavf_adapter *adapter) { - unsigned int rx_buf_len = IAVF_RXBUFFER_2048; struct iavf_hw *hw = &adapter->hw; - int i; - - /* Legacy Rx will always default to a 2048 buffer size. */ -#if (PAGE_SIZE < 8192) - if (!(adapter->flags & IAVF_FLAG_LEGACY_RX)) { - struct net_device *netdev = adapter->netdev; - - /* For jumbo frames on systems with 4K pages we have to use - * an order 1 page, so we might as well increase the size - * of our Rx buffer to make better use of the available space - */ - rx_buf_len = IAVF_RXBUFFER_3072; - - /* We use a 1536 buffer size for configurations with - * standard Ethernet mtu. On x86 this gives us enough room - * for shared info and 192 bytes of padding. - */ - if (!IAVF_2K_TOO_SMALL_WITH_PADDING && - (netdev->mtu <= ETH_DATA_LEN)) - rx_buf_len = IAVF_RXBUFFER_1536 - NET_IP_ALIGN; - } -#endif - for (i = 0; i < adapter->num_active_queues; i++) { + for (u32 i = 0; i < adapter->num_active_queues; i++) adapter->rx_rings[i].tail = hw->hw_addr + IAVF_QRX_TAIL1(i); - adapter->rx_rings[i].rx_buf_len = rx_buf_len; - - if (adapter->flags & IAVF_FLAG_LEGACY_RX) - clear_ring_build_skb_enabled(&adapter->rx_rings[i]); - else - set_ring_build_skb_enabled(&adapter->rx_rings[i]); - } } /** @@ -1615,7 +1589,6 @@ static int iavf_alloc_queues(struct iavf_adapter *adapter) rx_ring = &adapter->rx_rings[i]; rx_ring->queue_index = i; rx_ring->netdev = adapter->netdev; - rx_ring->dev = &adapter->pdev->dev; rx_ring->count = adapter->rx_desc_count; rx_ring->itr_setting = IAVF_ITR_RX_DEF; } @@ -2642,9 +2615,8 @@ static void iavf_init_config_adapter(struct iavf_adapter *adapter) iavf_set_ethtool_ops(netdev); netdev->watchdog_timeo = 5 * HZ; - /* MTU range: 68 - 9710 */ netdev->min_mtu = ETH_MIN_MTU; - netdev->max_mtu = IAVF_MAX_RXBUFFER - IAVF_PACKET_HDR_PAD; + netdev->max_mtu = LIBIE_MAX_MTU; if (!is_valid_ether_addr(adapter->hw.mac.addr)) { dev_info(&pdev->dev, "Invalid MAC address %pM, using random\n", @@ -3785,6 +3757,10 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter, flow_rule_match_control(rule, &match); addr_type = match.key->addr_type; + + if (flow_rule_has_control_flags(match.mask->flags, + f->common.extack)) + return -EOPNOTSUPP; } if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { @@ -4324,7 +4300,7 @@ static int iavf_change_mtu(struct net_device *netdev, int new_mtu) netdev_dbg(netdev, "changing MTU from %d to %d\n", netdev->mtu, new_mtu); - netdev->mtu = new_mtu; + WRITE_ONCE(netdev->mtu, new_mtu); if (netif_running(netdev)) { iavf_schedule_reset(adapter, IAVF_FLAG_RESET_NEEDED); @@ -5051,7 +5027,7 @@ err_dma: * * Called when the system (VM) is entering sleep/suspend. **/ -static int __maybe_unused iavf_suspend(struct device *dev_d) +static int iavf_suspend(struct device *dev_d) { struct net_device *netdev = dev_get_drvdata(dev_d); struct iavf_adapter *adapter = netdev_priv(netdev); @@ -5079,7 +5055,7 @@ static int __maybe_unused iavf_suspend(struct device *dev_d) * * Called when the system (VM) is resumed from sleep/suspend. **/ -static int __maybe_unused iavf_resume(struct device *dev_d) +static int iavf_resume(struct device *dev_d) { struct pci_dev *pdev = to_pci_dev(dev_d); struct iavf_adapter *adapter; @@ -5266,14 +5242,14 @@ static void iavf_shutdown(struct pci_dev *pdev) pci_set_power_state(pdev, PCI_D3hot); } -static SIMPLE_DEV_PM_OPS(iavf_pm_ops, iavf_suspend, iavf_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(iavf_pm_ops, iavf_suspend, iavf_resume); static struct pci_driver iavf_driver = { .name = iavf_driver_name, .id_table = iavf_pci_tbl, .probe = iavf_probe, .remove = iavf_remove, - .driver.pm = &iavf_pm_ops, + .driver.pm = pm_sleep_ptr(&iavf_pm_ops), .shutdown = iavf_shutdown, }; diff --git a/drivers/net/ethernet/intel/iavf/iavf_prototype.h b/drivers/net/ethernet/intel/iavf/iavf_prototype.h index 4a48e61714..48c3901381 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_prototype.h +++ b/drivers/net/ethernet/intel/iavf/iavf_prototype.h @@ -45,13 +45,6 @@ enum iavf_status iavf_aq_set_rss_lut(struct iavf_hw *hw, u16 seid, enum iavf_status iavf_aq_set_rss_key(struct iavf_hw *hw, u16 seid, struct iavf_aqc_get_set_rss_key_data *key); -extern struct iavf_rx_ptype_decoded iavf_ptype_lookup[]; - -static inline struct iavf_rx_ptype_decoded decode_rx_desc_ptype(u8 ptype) -{ - return iavf_ptype_lookup[ptype]; -} - void iavf_vf_parse_hw_config(struct iavf_hw *hw, struct virtchnl_vf_resource *msg); enum iavf_status iavf_aq_send_msg_to_pf(struct iavf_hw *hw, diff --git a/drivers/net/ethernet/intel/iavf/iavf_trace.h b/drivers/net/ethernet/intel/iavf/iavf_trace.h index 82fda6f5ab..62212011c8 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_trace.h +++ b/drivers/net/ethernet/intel/iavf/iavf_trace.h @@ -83,7 +83,7 @@ DECLARE_EVENT_CLASS( __entry->ring = ring; __entry->desc = desc; __entry->buf = buf; - __assign_str(devname, ring->netdev->name); + __assign_str(devname); ), TP_printk( @@ -128,7 +128,7 @@ DECLARE_EVENT_CLASS( __entry->ring = ring; __entry->desc = desc; __entry->skb = skb; - __assign_str(devname, ring->netdev->name); + __assign_str(devname); ), TP_printk( @@ -170,7 +170,7 @@ DECLARE_EVENT_CLASS( TP_fast_assign( __entry->skb = skb; __entry->ring = ring; - __assign_str(devname, ring->netdev->name); + __assign_str(devname); ), TP_printk( diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c index b71484c87a..26b424fd67 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c @@ -2,6 +2,7 @@ /* Copyright(c) 2013 - 2018 Intel Corporation. */ #include <linux/bitfield.h> +#include <linux/net/intel/libie/rx.h> #include <linux/prefetch.h> #include "iavf.h" @@ -184,7 +185,7 @@ void iavf_detect_recover_hung(struct iavf_vsi *vsi) * pending work. */ packets = tx_ring->stats.packets & INT_MAX; - if (tx_ring->tx_stats.prev_pkt_ctr == packets) { + if (tx_ring->prev_pkt_ctr == packets) { iavf_force_wb(vsi, tx_ring->q_vector); continue; } @@ -193,7 +194,7 @@ void iavf_detect_recover_hung(struct iavf_vsi *vsi) * to iavf_get_tx_pending() */ smp_rmb(); - tx_ring->tx_stats.prev_pkt_ctr = + tx_ring->prev_pkt_ctr = iavf_get_tx_pending(tx_ring, true) ? packets : -1; } } @@ -319,7 +320,7 @@ static bool iavf_clean_tx_irq(struct iavf_vsi *vsi, ((j / WB_STRIDE) == 0) && (j > 0) && !test_bit(__IAVF_VSI_DOWN, vsi->state) && (IAVF_DESC_UNUSED(tx_ring) != tx_ring->count)) - tx_ring->arm_wb = true; + tx_ring->flags |= IAVF_TXR_FLAGS_ARM_WB; } /* notify netdev of completed buffers */ @@ -674,7 +675,7 @@ int iavf_setup_tx_descriptors(struct iavf_ring *tx_ring) tx_ring->next_to_use = 0; tx_ring->next_to_clean = 0; - tx_ring->tx_stats.prev_pkt_ctr = -1; + tx_ring->prev_pkt_ctr = -1; return 0; err: @@ -689,11 +690,8 @@ err: **/ static void iavf_clean_rx_ring(struct iavf_ring *rx_ring) { - unsigned long bi_size; - u16 i; - /* ring already cleared, nothing to do */ - if (!rx_ring->rx_bi) + if (!rx_ring->rx_fqes) return; if (rx_ring->skb) { @@ -701,41 +699,16 @@ static void iavf_clean_rx_ring(struct iavf_ring *rx_ring) rx_ring->skb = NULL; } - /* Free all the Rx ring sk_buffs */ - for (i = 0; i < rx_ring->count; i++) { - struct iavf_rx_buffer *rx_bi = &rx_ring->rx_bi[i]; + /* Free all the Rx ring buffers */ + for (u32 i = rx_ring->next_to_clean; i != rx_ring->next_to_use; ) { + const struct libeth_fqe *rx_fqes = &rx_ring->rx_fqes[i]; - if (!rx_bi->page) - continue; + page_pool_put_full_page(rx_ring->pp, rx_fqes->page, false); - /* Invalidate cache lines that may have been written to by - * device so that we avoid corrupting memory. - */ - dma_sync_single_range_for_cpu(rx_ring->dev, - rx_bi->dma, - rx_bi->page_offset, - rx_ring->rx_buf_len, - DMA_FROM_DEVICE); - - /* free resources associated with mapping */ - dma_unmap_page_attrs(rx_ring->dev, rx_bi->dma, - iavf_rx_pg_size(rx_ring), - DMA_FROM_DEVICE, - IAVF_RX_DMA_ATTR); - - __page_frag_cache_drain(rx_bi->page, rx_bi->pagecnt_bias); - - rx_bi->page = NULL; - rx_bi->page_offset = 0; + if (unlikely(++i == rx_ring->count)) + i = 0; } - bi_size = sizeof(struct iavf_rx_buffer) * rx_ring->count; - memset(rx_ring->rx_bi, 0, bi_size); - - /* Zero out the descriptor ring */ - memset(rx_ring->desc, 0, rx_ring->size); - - rx_ring->next_to_alloc = 0; rx_ring->next_to_clean = 0; rx_ring->next_to_use = 0; } @@ -748,15 +721,22 @@ static void iavf_clean_rx_ring(struct iavf_ring *rx_ring) **/ void iavf_free_rx_resources(struct iavf_ring *rx_ring) { + struct libeth_fq fq = { + .fqes = rx_ring->rx_fqes, + .pp = rx_ring->pp, + }; + iavf_clean_rx_ring(rx_ring); - kfree(rx_ring->rx_bi); - rx_ring->rx_bi = NULL; if (rx_ring->desc) { - dma_free_coherent(rx_ring->dev, rx_ring->size, + dma_free_coherent(rx_ring->pp->p.dev, rx_ring->size, rx_ring->desc, rx_ring->dma); rx_ring->desc = NULL; } + + libeth_rx_fq_destroy(&fq); + rx_ring->rx_fqes = NULL; + rx_ring->pp = NULL; } /** @@ -767,38 +747,46 @@ void iavf_free_rx_resources(struct iavf_ring *rx_ring) **/ int iavf_setup_rx_descriptors(struct iavf_ring *rx_ring) { - struct device *dev = rx_ring->dev; - int bi_size; - - /* warn if we are about to overwrite the pointer */ - WARN_ON(rx_ring->rx_bi); - bi_size = sizeof(struct iavf_rx_buffer) * rx_ring->count; - rx_ring->rx_bi = kzalloc(bi_size, GFP_KERNEL); - if (!rx_ring->rx_bi) - goto err; + struct libeth_fq fq = { + .count = rx_ring->count, + .buf_len = LIBIE_MAX_RX_BUF_LEN, + .nid = NUMA_NO_NODE, + }; + int ret; + + ret = libeth_rx_fq_create(&fq, &rx_ring->q_vector->napi); + if (ret) + return ret; + + rx_ring->pp = fq.pp; + rx_ring->rx_fqes = fq.fqes; + rx_ring->truesize = fq.truesize; + rx_ring->rx_buf_len = fq.buf_len; u64_stats_init(&rx_ring->syncp); /* Round up to nearest 4K */ rx_ring->size = rx_ring->count * sizeof(union iavf_32byte_rx_desc); rx_ring->size = ALIGN(rx_ring->size, 4096); - rx_ring->desc = dma_alloc_coherent(dev, rx_ring->size, + rx_ring->desc = dma_alloc_coherent(fq.pp->p.dev, rx_ring->size, &rx_ring->dma, GFP_KERNEL); if (!rx_ring->desc) { - dev_info(dev, "Unable to allocate memory for the Rx descriptor ring, size=%d\n", + dev_info(fq.pp->p.dev, "Unable to allocate memory for the Rx descriptor ring, size=%d\n", rx_ring->size); goto err; } - rx_ring->next_to_alloc = 0; rx_ring->next_to_clean = 0; rx_ring->next_to_use = 0; return 0; + err: - kfree(rx_ring->rx_bi); - rx_ring->rx_bi = NULL; + libeth_rx_fq_destroy(&fq); + rx_ring->rx_fqes = NULL; + rx_ring->pp = NULL; + return -ENOMEM; } @@ -811,9 +799,6 @@ static void iavf_release_rx_desc(struct iavf_ring *rx_ring, u32 val) { rx_ring->next_to_use = val; - /* update next to alloc since we have filled the ring */ - rx_ring->next_to_alloc = val; - /* Force memory writes to complete before letting h/w * know there are new descriptors to fetch. (Only * applicable for weak-ordered memory model archs, @@ -824,69 +809,6 @@ static void iavf_release_rx_desc(struct iavf_ring *rx_ring, u32 val) } /** - * iavf_rx_offset - Return expected offset into page to access data - * @rx_ring: Ring we are requesting offset of - * - * Returns the offset value for ring into the data buffer. - */ -static unsigned int iavf_rx_offset(struct iavf_ring *rx_ring) -{ - return ring_uses_build_skb(rx_ring) ? IAVF_SKB_PAD : 0; -} - -/** - * iavf_alloc_mapped_page - recycle or make a new page - * @rx_ring: ring to use - * @bi: rx_buffer struct to modify - * - * Returns true if the page was successfully allocated or - * reused. - **/ -static bool iavf_alloc_mapped_page(struct iavf_ring *rx_ring, - struct iavf_rx_buffer *bi) -{ - struct page *page = bi->page; - dma_addr_t dma; - - /* since we are recycling buffers we should seldom need to alloc */ - if (likely(page)) { - rx_ring->rx_stats.page_reuse_count++; - return true; - } - - /* alloc new page for storage */ - page = dev_alloc_pages(iavf_rx_pg_order(rx_ring)); - if (unlikely(!page)) { - rx_ring->rx_stats.alloc_page_failed++; - return false; - } - - /* map page for use */ - dma = dma_map_page_attrs(rx_ring->dev, page, 0, - iavf_rx_pg_size(rx_ring), - DMA_FROM_DEVICE, - IAVF_RX_DMA_ATTR); - - /* if mapping failed free memory back to system since - * there isn't much point in holding memory we can't use - */ - if (dma_mapping_error(rx_ring->dev, dma)) { - __free_pages(page, iavf_rx_pg_order(rx_ring)); - rx_ring->rx_stats.alloc_page_failed++; - return false; - } - - bi->dma = dma; - bi->page = page; - bi->page_offset = iavf_rx_offset(rx_ring); - - /* initialize pagecnt_bias to 1 representing we fully own page */ - bi->pagecnt_bias = 1; - - return true; -} - -/** * iavf_receive_skb - Send a completed packet up the stack * @rx_ring: rx ring in play * @skb: packet to send up @@ -916,38 +838,37 @@ static void iavf_receive_skb(struct iavf_ring *rx_ring, **/ bool iavf_alloc_rx_buffers(struct iavf_ring *rx_ring, u16 cleaned_count) { + const struct libeth_fq_fp fq = { + .pp = rx_ring->pp, + .fqes = rx_ring->rx_fqes, + .truesize = rx_ring->truesize, + .count = rx_ring->count, + }; u16 ntu = rx_ring->next_to_use; union iavf_rx_desc *rx_desc; - struct iavf_rx_buffer *bi; /* do nothing if no valid netdev defined */ if (!rx_ring->netdev || !cleaned_count) return false; rx_desc = IAVF_RX_DESC(rx_ring, ntu); - bi = &rx_ring->rx_bi[ntu]; do { - if (!iavf_alloc_mapped_page(rx_ring, bi)) - goto no_buffers; + dma_addr_t addr; - /* sync the buffer for use by the device */ - dma_sync_single_range_for_device(rx_ring->dev, bi->dma, - bi->page_offset, - rx_ring->rx_buf_len, - DMA_FROM_DEVICE); + addr = libeth_rx_alloc(&fq, ntu); + if (addr == DMA_MAPPING_ERROR) + goto no_buffers; /* Refresh the desc even if buffer_addrs didn't change * because each write-back erases this info. */ - rx_desc->read.pkt_addr = cpu_to_le64(bi->dma + bi->page_offset); + rx_desc->read.pkt_addr = cpu_to_le64(addr); rx_desc++; - bi++; ntu++; if (unlikely(ntu == rx_ring->count)) { rx_desc = IAVF_RX_DESC(rx_ring, 0); - bi = rx_ring->rx_bi; ntu = 0; } @@ -966,6 +887,8 @@ no_buffers: if (rx_ring->next_to_use != ntu) iavf_release_rx_desc(rx_ring, ntu); + rx_ring->rx_stats.alloc_page_failed++; + /* make sure to come back via polling to try again after * allocation failure */ @@ -982,38 +905,30 @@ static void iavf_rx_checksum(struct iavf_vsi *vsi, struct sk_buff *skb, union iavf_rx_desc *rx_desc) { - struct iavf_rx_ptype_decoded decoded; + struct libeth_rx_pt decoded; u32 rx_error, rx_status; bool ipv4, ipv6; u8 ptype; u64 qword; - qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); - ptype = FIELD_GET(IAVF_RXD_QW1_PTYPE_MASK, qword); - rx_error = FIELD_GET(IAVF_RXD_QW1_ERROR_MASK, qword); - rx_status = FIELD_GET(IAVF_RXD_QW1_STATUS_MASK, qword); - decoded = decode_rx_desc_ptype(ptype); - skb->ip_summed = CHECKSUM_NONE; - skb_checksum_none_assert(skb); + qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); + ptype = FIELD_GET(IAVF_RXD_QW1_PTYPE_MASK, qword); - /* Rx csum enabled and ip headers found? */ - if (!(vsi->netdev->features & NETIF_F_RXCSUM)) + decoded = libie_rx_pt_parse(ptype); + if (!libeth_rx_pt_has_checksum(vsi->netdev, decoded)) return; + rx_error = FIELD_GET(IAVF_RXD_QW1_ERROR_MASK, qword); + rx_status = FIELD_GET(IAVF_RXD_QW1_STATUS_MASK, qword); + /* did the hardware decode the packet and checksum? */ if (!(rx_status & BIT(IAVF_RX_DESC_STATUS_L3L4P_SHIFT))) return; - /* both known and outer_ip must be set for the below code to work */ - if (!(decoded.known && decoded.outer_ip)) - return; - - ipv4 = (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP) && - (decoded.outer_ip_ver == IAVF_RX_PTYPE_OUTER_IPV4); - ipv6 = (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP) && - (decoded.outer_ip_ver == IAVF_RX_PTYPE_OUTER_IPV6); + ipv4 = libeth_rx_pt_get_ip_ver(decoded) == LIBETH_RX_PT_OUTER_IPV4; + ipv6 = libeth_rx_pt_get_ip_ver(decoded) == LIBETH_RX_PT_OUTER_IPV6; if (ipv4 && (rx_error & (BIT(IAVF_RX_DESC_ERROR_IPE_SHIFT) | @@ -1037,17 +952,7 @@ static void iavf_rx_checksum(struct iavf_vsi *vsi, if (rx_error & BIT(IAVF_RX_DESC_ERROR_PPRS_SHIFT)) return; - /* Only report checksum unnecessary for TCP, UDP, or SCTP */ - switch (decoded.inner_prot) { - case IAVF_RX_PTYPE_INNER_PROT_TCP: - case IAVF_RX_PTYPE_INNER_PROT_UDP: - case IAVF_RX_PTYPE_INNER_PROT_SCTP: - skb->ip_summed = CHECKSUM_UNNECESSARY; - fallthrough; - default: - break; - } - + skb->ip_summed = CHECKSUM_UNNECESSARY; return; checksum_fail: @@ -1055,29 +960,6 @@ checksum_fail: } /** - * iavf_ptype_to_htype - get a hash type - * @ptype: the ptype value from the descriptor - * - * Returns a hash type to be used by skb_set_hash - **/ -static int iavf_ptype_to_htype(u8 ptype) -{ - struct iavf_rx_ptype_decoded decoded = decode_rx_desc_ptype(ptype); - - if (!decoded.known) - return PKT_HASH_TYPE_NONE; - - if (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP && - decoded.payload_layer == IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY4) - return PKT_HASH_TYPE_L4; - else if (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP && - decoded.payload_layer == IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY3) - return PKT_HASH_TYPE_L3; - else - return PKT_HASH_TYPE_L2; -} - -/** * iavf_rx_hash - set the hash value in the skb * @ring: descriptor ring * @rx_desc: specific descriptor @@ -1089,17 +971,19 @@ static void iavf_rx_hash(struct iavf_ring *ring, struct sk_buff *skb, u8 rx_ptype) { + struct libeth_rx_pt decoded; u32 hash; const __le64 rss_mask = cpu_to_le64((u64)IAVF_RX_DESC_FLTSTAT_RSS_HASH << IAVF_RX_DESC_STATUS_FLTSTAT_SHIFT); - if (!(ring->netdev->features & NETIF_F_RXHASH)) + decoded = libie_rx_pt_parse(rx_ptype); + if (!libeth_rx_pt_has_hash(ring->netdev, decoded)) return; if ((rx_desc->wb.qword1.status_error_len & rss_mask) == rss_mask) { hash = le32_to_cpu(rx_desc->wb.qword0.hi_dword.rss); - skb_set_hash(skb, hash, iavf_ptype_to_htype(rx_ptype)); + libeth_rx_pt_set_hash(skb, hash, decoded); } } @@ -1152,95 +1036,9 @@ static bool iavf_cleanup_headers(struct iavf_ring *rx_ring, struct sk_buff *skb) } /** - * iavf_reuse_rx_page - page flip buffer and store it back on the ring - * @rx_ring: rx descriptor ring to store buffers on - * @old_buff: donor buffer to have page reused - * - * Synchronizes page for reuse by the adapter - **/ -static void iavf_reuse_rx_page(struct iavf_ring *rx_ring, - struct iavf_rx_buffer *old_buff) -{ - struct iavf_rx_buffer *new_buff; - u16 nta = rx_ring->next_to_alloc; - - new_buff = &rx_ring->rx_bi[nta]; - - /* update, and store next to alloc */ - nta++; - rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0; - - /* transfer page from old buffer to new buffer */ - new_buff->dma = old_buff->dma; - new_buff->page = old_buff->page; - new_buff->page_offset = old_buff->page_offset; - new_buff->pagecnt_bias = old_buff->pagecnt_bias; -} - -/** - * iavf_can_reuse_rx_page - Determine if this page can be reused by - * the adapter for another receive - * - * @rx_buffer: buffer containing the page - * - * If page is reusable, rx_buffer->page_offset is adjusted to point to - * an unused region in the page. - * - * For small pages, @truesize will be a constant value, half the size - * of the memory at page. We'll attempt to alternate between high and - * low halves of the page, with one half ready for use by the hardware - * and the other half being consumed by the stack. We use the page - * ref count to determine whether the stack has finished consuming the - * portion of this page that was passed up with a previous packet. If - * the page ref count is >1, we'll assume the "other" half page is - * still busy, and this page cannot be reused. - * - * For larger pages, @truesize will be the actual space used by the - * received packet (adjusted upward to an even multiple of the cache - * line size). This will advance through the page by the amount - * actually consumed by the received packets while there is still - * space for a buffer. Each region of larger pages will be used at - * most once, after which the page will not be reused. - * - * In either case, if the page is reusable its refcount is increased. - **/ -static bool iavf_can_reuse_rx_page(struct iavf_rx_buffer *rx_buffer) -{ - unsigned int pagecnt_bias = rx_buffer->pagecnt_bias; - struct page *page = rx_buffer->page; - - /* Is any reuse possible? */ - if (!dev_page_is_reusable(page)) - return false; - -#if (PAGE_SIZE < 8192) - /* if we are only owner of page we can reuse it */ - if (unlikely((page_count(page) - pagecnt_bias) > 1)) - return false; -#else -#define IAVF_LAST_OFFSET \ - (SKB_WITH_OVERHEAD(PAGE_SIZE) - IAVF_RXBUFFER_2048) - if (rx_buffer->page_offset > IAVF_LAST_OFFSET) - return false; -#endif - - /* If we have drained the page fragment pool we need to update - * the pagecnt_bias and page count so that we fully restock the - * number of references the driver holds. - */ - if (unlikely(!pagecnt_bias)) { - page_ref_add(page, USHRT_MAX); - rx_buffer->pagecnt_bias = USHRT_MAX; - } - - return true; -} - -/** * iavf_add_rx_frag - Add contents of Rx buffer to sk_buff - * @rx_ring: rx descriptor ring to transact packets on - * @rx_buffer: buffer containing page to add * @skb: sk_buff to place the data into + * @rx_buffer: buffer containing page to add * @size: packet length from rx_desc * * This function will add the data contained in rx_buffer->page to the skb. @@ -1248,206 +1046,50 @@ static bool iavf_can_reuse_rx_page(struct iavf_rx_buffer *rx_buffer) * * The function will then update the page offset. **/ -static void iavf_add_rx_frag(struct iavf_ring *rx_ring, - struct iavf_rx_buffer *rx_buffer, - struct sk_buff *skb, +static void iavf_add_rx_frag(struct sk_buff *skb, + const struct libeth_fqe *rx_buffer, unsigned int size) { -#if (PAGE_SIZE < 8192) - unsigned int truesize = iavf_rx_pg_size(rx_ring) / 2; -#else - unsigned int truesize = SKB_DATA_ALIGN(size + iavf_rx_offset(rx_ring)); -#endif - - if (!size) - return; + u32 hr = rx_buffer->page->pp->p.offset; skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buffer->page, - rx_buffer->page_offset, size, truesize); - - /* page is being used so we must update the page offset */ -#if (PAGE_SIZE < 8192) - rx_buffer->page_offset ^= truesize; -#else - rx_buffer->page_offset += truesize; -#endif -} - -/** - * iavf_get_rx_buffer - Fetch Rx buffer and synchronize data for use - * @rx_ring: rx descriptor ring to transact packets on - * @size: size of buffer to add to skb - * - * This function will pull an Rx buffer from the ring and synchronize it - * for use by the CPU. - */ -static struct iavf_rx_buffer *iavf_get_rx_buffer(struct iavf_ring *rx_ring, - const unsigned int size) -{ - struct iavf_rx_buffer *rx_buffer; - - rx_buffer = &rx_ring->rx_bi[rx_ring->next_to_clean]; - prefetchw(rx_buffer->page); - if (!size) - return rx_buffer; - - /* we are reusing so sync this buffer for CPU use */ - dma_sync_single_range_for_cpu(rx_ring->dev, - rx_buffer->dma, - rx_buffer->page_offset, - size, - DMA_FROM_DEVICE); - - /* We have pulled a buffer for use, so decrement pagecnt_bias */ - rx_buffer->pagecnt_bias--; - - return rx_buffer; -} - -/** - * iavf_construct_skb - Allocate skb and populate it - * @rx_ring: rx descriptor ring to transact packets on - * @rx_buffer: rx buffer to pull data from - * @size: size of buffer to add to skb - * - * This function allocates an skb. It then populates it with the page - * data from the current receive descriptor, taking care to set up the - * skb correctly. - */ -static struct sk_buff *iavf_construct_skb(struct iavf_ring *rx_ring, - struct iavf_rx_buffer *rx_buffer, - unsigned int size) -{ - void *va; -#if (PAGE_SIZE < 8192) - unsigned int truesize = iavf_rx_pg_size(rx_ring) / 2; -#else - unsigned int truesize = SKB_DATA_ALIGN(size); -#endif - unsigned int headlen; - struct sk_buff *skb; - - if (!rx_buffer) - return NULL; - /* prefetch first cache line of first page */ - va = page_address(rx_buffer->page) + rx_buffer->page_offset; - net_prefetch(va); - - /* allocate a skb to store the frags */ - skb = __napi_alloc_skb(&rx_ring->q_vector->napi, - IAVF_RX_HDR_SIZE, - GFP_ATOMIC | __GFP_NOWARN); - if (unlikely(!skb)) - return NULL; - - /* Determine available headroom for copy */ - headlen = size; - if (headlen > IAVF_RX_HDR_SIZE) - headlen = eth_get_headlen(skb->dev, va, IAVF_RX_HDR_SIZE); - - /* align pull length to size of long to optimize memcpy performance */ - memcpy(__skb_put(skb, headlen), va, ALIGN(headlen, sizeof(long))); - - /* update all of the pointers */ - size -= headlen; - if (size) { - skb_add_rx_frag(skb, 0, rx_buffer->page, - rx_buffer->page_offset + headlen, - size, truesize); - - /* buffer is used by skb, update page_offset */ -#if (PAGE_SIZE < 8192) - rx_buffer->page_offset ^= truesize; -#else - rx_buffer->page_offset += truesize; -#endif - } else { - /* buffer is unused, reset bias back to rx_buffer */ - rx_buffer->pagecnt_bias++; - } - - return skb; + rx_buffer->offset + hr, size, rx_buffer->truesize); } /** * iavf_build_skb - Build skb around an existing buffer - * @rx_ring: Rx descriptor ring to transact packets on * @rx_buffer: Rx buffer to pull data from * @size: size of buffer to add to skb * * This function builds an skb around an existing Rx buffer, taking care * to set up the skb correctly and avoid any memcpy overhead. */ -static struct sk_buff *iavf_build_skb(struct iavf_ring *rx_ring, - struct iavf_rx_buffer *rx_buffer, +static struct sk_buff *iavf_build_skb(const struct libeth_fqe *rx_buffer, unsigned int size) { - void *va; -#if (PAGE_SIZE < 8192) - unsigned int truesize = iavf_rx_pg_size(rx_ring) / 2; -#else - unsigned int truesize = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) + - SKB_DATA_ALIGN(IAVF_SKB_PAD + size); -#endif + u32 hr = rx_buffer->page->pp->p.offset; struct sk_buff *skb; + void *va; - if (!rx_buffer || !size) - return NULL; /* prefetch first cache line of first page */ - va = page_address(rx_buffer->page) + rx_buffer->page_offset; - net_prefetch(va); + va = page_address(rx_buffer->page) + rx_buffer->offset; + net_prefetch(va + hr); /* build an skb around the page buffer */ - skb = napi_build_skb(va - IAVF_SKB_PAD, truesize); + skb = napi_build_skb(va, rx_buffer->truesize); if (unlikely(!skb)) return NULL; + skb_mark_for_recycle(skb); + /* update pointers within the skb to store the data */ - skb_reserve(skb, IAVF_SKB_PAD); + skb_reserve(skb, hr); __skb_put(skb, size); - /* buffer is used by skb, update page_offset */ -#if (PAGE_SIZE < 8192) - rx_buffer->page_offset ^= truesize; -#else - rx_buffer->page_offset += truesize; -#endif - return skb; } /** - * iavf_put_rx_buffer - Clean up used buffer and either recycle or free - * @rx_ring: rx descriptor ring to transact packets on - * @rx_buffer: rx buffer to pull data from - * - * This function will clean up the contents of the rx_buffer. It will - * either recycle the buffer or unmap it and free the associated resources. - */ -static void iavf_put_rx_buffer(struct iavf_ring *rx_ring, - struct iavf_rx_buffer *rx_buffer) -{ - if (!rx_buffer) - return; - - if (iavf_can_reuse_rx_page(rx_buffer)) { - /* hand second half of page back to the ring */ - iavf_reuse_rx_page(rx_ring, rx_buffer); - rx_ring->rx_stats.page_reuse_count++; - } else { - /* we are not reusing the buffer so unmap it */ - dma_unmap_page_attrs(rx_ring->dev, rx_buffer->dma, - iavf_rx_pg_size(rx_ring), - DMA_FROM_DEVICE, IAVF_RX_DMA_ATTR); - __page_frag_cache_drain(rx_buffer->page, - rx_buffer->pagecnt_bias); - } - - /* clear contents of buffer_info */ - rx_buffer->page = NULL; -} - -/** * iavf_is_non_eop - process handling of non-EOP buffers * @rx_ring: Rx ring being processed * @rx_desc: Rx descriptor for current buffer @@ -1500,7 +1142,7 @@ static int iavf_clean_rx_irq(struct iavf_ring *rx_ring, int budget) bool failure = false; while (likely(total_rx_packets < (unsigned int)budget)) { - struct iavf_rx_buffer *rx_buffer; + struct libeth_fqe *rx_buffer; union iavf_rx_desc *rx_desc; unsigned int size; u16 vlan_tag = 0; @@ -1535,28 +1177,27 @@ static int iavf_clean_rx_irq(struct iavf_ring *rx_ring, int budget) size = FIELD_GET(IAVF_RXD_QW1_LENGTH_PBUF_MASK, qword); iavf_trace(clean_rx_irq, rx_ring, rx_desc, skb); - rx_buffer = iavf_get_rx_buffer(rx_ring, size); + + rx_buffer = &rx_ring->rx_fqes[rx_ring->next_to_clean]; + if (!libeth_rx_sync_for_cpu(rx_buffer, size)) + goto skip_data; /* retrieve a buffer from the ring */ if (skb) - iavf_add_rx_frag(rx_ring, rx_buffer, skb, size); - else if (ring_uses_build_skb(rx_ring)) - skb = iavf_build_skb(rx_ring, rx_buffer, size); + iavf_add_rx_frag(skb, rx_buffer, size); else - skb = iavf_construct_skb(rx_ring, rx_buffer, size); + skb = iavf_build_skb(rx_buffer, size); /* exit if we failed to retrieve a buffer */ if (!skb) { rx_ring->rx_stats.alloc_buff_failed++; - if (rx_buffer && size) - rx_buffer->pagecnt_bias++; break; } - iavf_put_rx_buffer(rx_ring, rx_buffer); +skip_data: cleaned_count++; - if (iavf_is_non_eop(rx_ring, rx_desc, skb)) + if (iavf_is_non_eop(rx_ring, rx_desc, skb) || unlikely(!skb)) continue; /* ERR_MASK will only have valid bits if EOP set, and @@ -1743,8 +1384,8 @@ int iavf_napi_poll(struct napi_struct *napi, int budget) clean_complete = false; continue; } - arm_wb |= ring->arm_wb; - ring->arm_wb = false; + arm_wb |= !!(ring->flags & IAVF_TXR_FLAGS_ARM_WB); + ring->flags &= ~IAVF_TXR_FLAGS_ARM_WB; } /* Handle case where we are called by netpoll with a budget of 0 */ diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.h b/drivers/net/ethernet/intel/iavf/iavf_txrx.h index 10ba36602c..d7b5587aeb 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.h +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.h @@ -80,79 +80,8 @@ enum iavf_dyn_idx_t { BIT_ULL(IAVF_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | \ BIT_ULL(IAVF_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP)) -/* Supported Rx Buffer Sizes (a multiple of 128) */ -#define IAVF_RXBUFFER_256 256 -#define IAVF_RXBUFFER_1536 1536 /* 128B aligned standard Ethernet frame */ -#define IAVF_RXBUFFER_2048 2048 -#define IAVF_RXBUFFER_3072 3072 /* Used for large frames w/ padding */ -#define IAVF_MAX_RXBUFFER 9728 /* largest size for single descriptor */ - -/* NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN means we - * reserve 2 more, and skb_shared_info adds an additional 384 bytes more, - * this adds up to 512 bytes of extra data meaning the smallest allocation - * we could have is 1K. - * i.e. RXBUFFER_256 --> 960 byte skb (size-1024 slab) - * i.e. RXBUFFER_512 --> 1216 byte skb (size-2048 slab) - */ -#define IAVF_RX_HDR_SIZE IAVF_RXBUFFER_256 -#define IAVF_PACKET_HDR_PAD (ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2)) #define iavf_rx_desc iavf_32byte_rx_desc -#define IAVF_RX_DMA_ATTR \ - (DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING) - -/* Attempt to maximize the headroom available for incoming frames. We - * use a 2K buffer for receives and need 1536/1534 to store the data for - * the frame. This leaves us with 512 bytes of room. From that we need - * to deduct the space needed for the shared info and the padding needed - * to IP align the frame. - * - * Note: For cache line sizes 256 or larger this value is going to end - * up negative. In these cases we should fall back to the legacy - * receive path. - */ -#if (PAGE_SIZE < 8192) -#define IAVF_2K_TOO_SMALL_WITH_PADDING \ -((NET_SKB_PAD + IAVF_RXBUFFER_1536) > SKB_WITH_OVERHEAD(IAVF_RXBUFFER_2048)) - -static inline int iavf_compute_pad(int rx_buf_len) -{ - int page_size, pad_size; - - page_size = ALIGN(rx_buf_len, PAGE_SIZE / 2); - pad_size = SKB_WITH_OVERHEAD(page_size) - rx_buf_len; - - return pad_size; -} - -static inline int iavf_skb_pad(void) -{ - int rx_buf_len; - - /* If a 2K buffer cannot handle a standard Ethernet frame then - * optimize padding for a 3K buffer instead of a 1.5K buffer. - * - * For a 3K buffer we need to add enough padding to allow for - * tailroom due to NET_IP_ALIGN possibly shifting us out of - * cache-line alignment. - */ - if (IAVF_2K_TOO_SMALL_WITH_PADDING) - rx_buf_len = IAVF_RXBUFFER_3072 + SKB_DATA_ALIGN(NET_IP_ALIGN); - else - rx_buf_len = IAVF_RXBUFFER_1536; - - /* if needed make room for NET_IP_ALIGN */ - rx_buf_len -= NET_IP_ALIGN; - - return iavf_compute_pad(rx_buf_len); -} - -#define IAVF_SKB_PAD iavf_skb_pad() -#else -#define IAVF_2K_TOO_SMALL_WITH_PADDING false -#define IAVF_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN) -#endif - /** * iavf_test_staterr - tests bits in Rx descriptor status and error fields * @rx_desc: pointer to receive descriptor (in le64 format) @@ -271,17 +200,6 @@ struct iavf_tx_buffer { u32 tx_flags; }; -struct iavf_rx_buffer { - dma_addr_t dma; - struct page *page; -#if (BITS_PER_LONG > 32) || (PAGE_SIZE >= 65536) - __u32 page_offset; -#else - __u16 page_offset; -#endif - __u16 pagecnt_bias; -}; - struct iavf_queue_stats { u64 packets; u64 bytes; @@ -293,7 +211,6 @@ struct iavf_tx_queue_stats { u64 tx_done_old; u64 tx_linearize; u64 tx_force_wb; - int prev_pkt_ctr; u64 tx_lost_interrupt; }; @@ -301,14 +218,6 @@ struct iavf_rx_queue_stats { u64 non_eop_descs; u64 alloc_page_failed; u64 alloc_buff_failed; - u64 page_reuse_count; - u64 realloc_count; -}; - -enum iavf_ring_state_t { - __IAVF_TX_FDIR_INIT_DONE, - __IAVF_TX_XPS_INIT_DONE, - __IAVF_RING_STATE_NBITS /* must be last */ }; /* some useful defines for virtchannel interface, which @@ -326,16 +235,19 @@ enum iavf_ring_state_t { struct iavf_ring { struct iavf_ring *next; /* pointer to next ring in q_vector */ void *desc; /* Descriptor ring memory */ - struct device *dev; /* Used for DMA mapping */ + union { + struct page_pool *pp; /* Used on Rx for buffer management */ + struct device *dev; /* Used on Tx for DMA mapping */ + }; struct net_device *netdev; /* netdev ring maps to */ union { + struct libeth_fqe *rx_fqes; struct iavf_tx_buffer *tx_bi; - struct iavf_rx_buffer *rx_bi; }; - DECLARE_BITMAP(state, __IAVF_RING_STATE_NBITS); - u16 queue_index; /* Queue number of ring */ - u8 dcb_tc; /* Traffic class of ring */ u8 __iomem *tail; + u32 truesize; + + u16 queue_index; /* Queue number of ring */ /* high bit set means dynamic, use accessors routines to read/write. * hardware only supports 2us resolution for the ITR registers. @@ -345,23 +257,15 @@ struct iavf_ring { u16 itr_setting; u16 count; /* Number of descriptors */ - u16 reg_idx; /* HW register index of the ring */ - u16 rx_buf_len; /* used in interrupt processing */ u16 next_to_use; u16 next_to_clean; - u8 atr_sample_rate; - u8 atr_count; - - bool ring_active; /* is ring online or not */ - bool arm_wb; /* do something to arm write back */ - u8 packet_stride; - u16 flags; #define IAVF_TXR_FLAGS_WB_ON_ITR BIT(0) -#define IAVF_RXR_FLAGS_BUILD_SKB_ENABLED BIT(1) +#define IAVF_TXR_FLAGS_ARM_WB BIT(1) +/* BIT(2) is free */ #define IAVF_TXRX_FLAGS_VLAN_TAG_LOC_L2TAG1 BIT(3) #define IAVF_TXR_FLAGS_VLAN_TAG_LOC_L2TAG2 BIT(4) #define IAVF_RXR_FLAGS_VLAN_TAG_LOC_L2TAG2_2 BIT(5) @@ -374,6 +278,7 @@ struct iavf_ring { struct iavf_rx_queue_stats rx_stats; }; + int prev_pkt_ctr; /* For Tx stall detection */ unsigned int size; /* length of descriptor ring in bytes */ dma_addr_t dma; /* physical address of ring */ @@ -381,7 +286,6 @@ struct iavf_ring { struct iavf_q_vector *q_vector; /* Backreference to associated vector */ struct rcu_head rcu; /* to avoid race on free */ - u16 next_to_alloc; struct sk_buff *skb; /* When iavf_clean_rx_ring_irq() must * return before it sees the EOP for * the current packet, we save that skb @@ -390,22 +294,9 @@ struct iavf_ring { * iavf_clean_rx_ring_irq() is called * for this ring. */ -} ____cacheline_internodealigned_in_smp; - -static inline bool ring_uses_build_skb(struct iavf_ring *ring) -{ - return !!(ring->flags & IAVF_RXR_FLAGS_BUILD_SKB_ENABLED); -} -static inline void set_ring_build_skb_enabled(struct iavf_ring *ring) -{ - ring->flags |= IAVF_RXR_FLAGS_BUILD_SKB_ENABLED; -} - -static inline void clear_ring_build_skb_enabled(struct iavf_ring *ring) -{ - ring->flags &= ~IAVF_RXR_FLAGS_BUILD_SKB_ENABLED; -} + u32 rx_buf_len; +} ____cacheline_internodealigned_in_smp; #define IAVF_ITR_ADAPTIVE_MIN_INC 0x0002 #define IAVF_ITR_ADAPTIVE_MIN_USECS 0x0002 @@ -428,17 +319,6 @@ struct iavf_ring_container { #define iavf_for_each_ring(pos, head) \ for (pos = (head).ring; pos != NULL; pos = pos->next) -static inline unsigned int iavf_rx_pg_order(struct iavf_ring *ring) -{ -#if (PAGE_SIZE < 8192) - if (ring->rx_buf_len > (PAGE_SIZE / 2)) - return 1; -#endif - return 0; -} - -#define iavf_rx_pg_size(_ring) (PAGE_SIZE << iavf_rx_pg_order(_ring)) - bool iavf_alloc_rx_buffers(struct iavf_ring *rxr, u16 cleaned_count); netdev_tx_t iavf_xmit_frame(struct sk_buff *skb, struct net_device *netdev); int iavf_setup_tx_descriptors(struct iavf_ring *tx_ring); diff --git a/drivers/net/ethernet/intel/iavf/iavf_type.h b/drivers/net/ethernet/intel/iavf/iavf_type.h index 2b6a207fa4..f6b09e57ab 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_type.h +++ b/drivers/net/ethernet/intel/iavf/iavf_type.h @@ -10,8 +10,6 @@ #include "iavf_adminq.h" #include "iavf_devids.h" -#define IAVF_RXQ_CTX_DBUFF_SHIFT 7 - /* IAVF_MASK is a macro used on 32 bit registers */ #define IAVF_MASK(mask, shift) ((u32)(mask) << (shift)) @@ -327,94 +325,6 @@ enum iavf_rx_desc_error_l3l4e_fcoe_masks { #define IAVF_RXD_QW1_PTYPE_SHIFT 30 #define IAVF_RXD_QW1_PTYPE_MASK (0xFFULL << IAVF_RXD_QW1_PTYPE_SHIFT) -/* Packet type non-ip values */ -enum iavf_rx_l2_ptype { - IAVF_RX_PTYPE_L2_RESERVED = 0, - IAVF_RX_PTYPE_L2_MAC_PAY2 = 1, - IAVF_RX_PTYPE_L2_TIMESYNC_PAY2 = 2, - IAVF_RX_PTYPE_L2_FIP_PAY2 = 3, - IAVF_RX_PTYPE_L2_OUI_PAY2 = 4, - IAVF_RX_PTYPE_L2_MACCNTRL_PAY2 = 5, - IAVF_RX_PTYPE_L2_LLDP_PAY2 = 6, - IAVF_RX_PTYPE_L2_ECP_PAY2 = 7, - IAVF_RX_PTYPE_L2_EVB_PAY2 = 8, - IAVF_RX_PTYPE_L2_QCN_PAY2 = 9, - IAVF_RX_PTYPE_L2_EAPOL_PAY2 = 10, - IAVF_RX_PTYPE_L2_ARP = 11, - IAVF_RX_PTYPE_L2_FCOE_PAY3 = 12, - IAVF_RX_PTYPE_L2_FCOE_FCDATA_PAY3 = 13, - IAVF_RX_PTYPE_L2_FCOE_FCRDY_PAY3 = 14, - IAVF_RX_PTYPE_L2_FCOE_FCRSP_PAY3 = 15, - IAVF_RX_PTYPE_L2_FCOE_FCOTHER_PA = 16, - IAVF_RX_PTYPE_L2_FCOE_VFT_PAY3 = 17, - IAVF_RX_PTYPE_L2_FCOE_VFT_FCDATA = 18, - IAVF_RX_PTYPE_L2_FCOE_VFT_FCRDY = 19, - IAVF_RX_PTYPE_L2_FCOE_VFT_FCRSP = 20, - IAVF_RX_PTYPE_L2_FCOE_VFT_FCOTHER = 21, - IAVF_RX_PTYPE_GRENAT4_MAC_PAY3 = 58, - IAVF_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4 = 87, - IAVF_RX_PTYPE_GRENAT6_MAC_PAY3 = 124, - IAVF_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4 = 153 -}; - -struct iavf_rx_ptype_decoded { - u32 known:1; - u32 outer_ip:1; - u32 outer_ip_ver:1; - u32 outer_frag:1; - u32 tunnel_type:3; - u32 tunnel_end_prot:2; - u32 tunnel_end_frag:1; - u32 inner_prot:4; - u32 payload_layer:3; -}; - -enum iavf_rx_ptype_outer_ip { - IAVF_RX_PTYPE_OUTER_L2 = 0, - IAVF_RX_PTYPE_OUTER_IP = 1 -}; - -enum iavf_rx_ptype_outer_ip_ver { - IAVF_RX_PTYPE_OUTER_NONE = 0, - IAVF_RX_PTYPE_OUTER_IPV4 = 0, - IAVF_RX_PTYPE_OUTER_IPV6 = 1 -}; - -enum iavf_rx_ptype_outer_fragmented { - IAVF_RX_PTYPE_NOT_FRAG = 0, - IAVF_RX_PTYPE_FRAG = 1 -}; - -enum iavf_rx_ptype_tunnel_type { - IAVF_RX_PTYPE_TUNNEL_NONE = 0, - IAVF_RX_PTYPE_TUNNEL_IP_IP = 1, - IAVF_RX_PTYPE_TUNNEL_IP_GRENAT = 2, - IAVF_RX_PTYPE_TUNNEL_IP_GRENAT_MAC = 3, - IAVF_RX_PTYPE_TUNNEL_IP_GRENAT_MAC_VLAN = 4, -}; - -enum iavf_rx_ptype_tunnel_end_prot { - IAVF_RX_PTYPE_TUNNEL_END_NONE = 0, - IAVF_RX_PTYPE_TUNNEL_END_IPV4 = 1, - IAVF_RX_PTYPE_TUNNEL_END_IPV6 = 2, -}; - -enum iavf_rx_ptype_inner_prot { - IAVF_RX_PTYPE_INNER_PROT_NONE = 0, - IAVF_RX_PTYPE_INNER_PROT_UDP = 1, - IAVF_RX_PTYPE_INNER_PROT_TCP = 2, - IAVF_RX_PTYPE_INNER_PROT_SCTP = 3, - IAVF_RX_PTYPE_INNER_PROT_ICMP = 4, - IAVF_RX_PTYPE_INNER_PROT_TIMESYNC = 5 -}; - -enum iavf_rx_ptype_payload_layer { - IAVF_RX_PTYPE_PAYLOAD_LAYER_NONE = 0, - IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY2 = 1, - IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY3 = 2, - IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY4 = 3, -}; - #define IAVF_RXD_QW1_LENGTH_PBUF_SHIFT 38 #define IAVF_RXD_QW1_LENGTH_PBUF_MASK (0x3FFFULL << \ IAVF_RXD_QW1_LENGTH_PBUF_SHIFT) diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c index 22f2df7c46..1e543f6a7c 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c +++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c @@ -1,6 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2013 - 2018 Intel Corporation. */ +#include <linux/net/intel/libie/rx.h> + #include "iavf.h" #include "iavf_prototype.h" @@ -268,13 +270,13 @@ int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter) void iavf_configure_queues(struct iavf_adapter *adapter) { struct virtchnl_vsi_queue_config_info *vqci; - int i, max_frame = adapter->vf_res->max_mtu; int pairs = adapter->num_active_queues; struct virtchnl_queue_pair_info *vqpi; + u32 i, max_frame; size_t len; - if (max_frame > IAVF_MAX_RXBUFFER || !max_frame) - max_frame = IAVF_MAX_RXBUFFER; + max_frame = LIBIE_MAX_RX_FRM_LEN(adapter->rx_rings->pp->p.offset); + max_frame = min_not_zero(adapter->vf_res->max_mtu, max_frame); if (adapter->current_op != VIRTCHNL_OP_UNKNOWN) { /* bail because we already have a command pending */ @@ -288,11 +290,6 @@ void iavf_configure_queues(struct iavf_adapter *adapter) if (!vqci) return; - /* Limit maximum frame size when jumbo frames is not enabled */ - if (!(adapter->flags & IAVF_FLAG_LEGACY_RX) && - (adapter->netdev->mtu <= ETH_DATA_LEN)) - max_frame = IAVF_RXBUFFER_1536 - NET_IP_ALIGN; - vqci->vsi_id = adapter->vsi_res->vsi_id; vqci->num_queue_pairs = pairs; vqpi = vqci->qpair; @@ -309,9 +306,7 @@ void iavf_configure_queues(struct iavf_adapter *adapter) vqpi->rxq.ring_len = adapter->rx_rings[i].count; vqpi->rxq.dma_ring_addr = adapter->rx_rings[i].dma; vqpi->rxq.max_pkt_size = max_frame; - vqpi->rxq.databuffer_size = - ALIGN(adapter->rx_rings[i].rx_buf_len, - BIT_ULL(IAVF_RXQ_CTX_DBUFF_SHIFT)); + vqpi->rxq.databuffer_size = adapter->rx_rings[i].rx_buf_len; if (CRC_OFFLOAD_ALLOWED(adapter)) vqpi->rxq.crc_disable = !!(adapter->netdev->features & NETIF_F_RXFCS); |