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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-13 05:04:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-13 05:04:46 +0000
commitab7a1d20a3def1448bdcc128d77ebf50a672e4a5 (patch)
tree09a6c24baf5e8a0cafc6ebb9fb94b7062e31f7ec /drivers/net/ethernet/intel
parentAdding debian version 6.10.3-1. (diff)
downloadlinux-ab7a1d20a3def1448bdcc128d77ebf50a672e4a5.tar.xz
linux-ab7a1d20a3def1448bdcc128d77ebf50a672e4a5.zip
Merging upstream version 6.10.4.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r--drivers/net/ethernet/intel/ice/ice.h11
-rw-r--r--drivers/net/ethernet/intel/ice/ice_base.c4
-rw-r--r--drivers/net/ethernet/intel/ice/ice_main.c2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx.c10
-rw-r--r--drivers/net/ethernet/intel/ice/ice_xsk.c184
-rw-r--r--drivers/net/ethernet/intel/ice/ice_xsk.h14
-rw-r--r--drivers/net/ethernet/intel/igc/igc_main.c33
7 files changed, 152 insertions, 106 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index 99a75a5907..caaa101579 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -765,18 +765,17 @@ static inline struct xsk_buff_pool *ice_get_xp_from_qid(struct ice_vsi *vsi,
}
/**
- * ice_xsk_pool - get XSK buffer pool bound to a ring
+ * ice_rx_xsk_pool - assign XSK buff pool to Rx ring
* @ring: Rx ring to use
*
- * Returns a pointer to xsk_buff_pool structure if there is a buffer pool
- * present, NULL otherwise.
+ * Sets XSK buff pool pointer on Rx ring.
*/
-static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring)
+static inline void ice_rx_xsk_pool(struct ice_rx_ring *ring)
{
struct ice_vsi *vsi = ring->vsi;
u16 qid = ring->q_index;
- return ice_get_xp_from_qid(vsi, qid);
+ WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid));
}
/**
@@ -801,7 +800,7 @@ static inline void ice_tx_xsk_pool(struct ice_vsi *vsi, u16 qid)
if (!ring)
return;
- ring->xsk_pool = ice_get_xp_from_qid(vsi, qid);
+ WRITE_ONCE(ring->xsk_pool, ice_get_xp_from_qid(vsi, qid));
}
/**
diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c
index 5d396c1a77..1facf179a9 100644
--- a/drivers/net/ethernet/intel/ice/ice_base.c
+++ b/drivers/net/ethernet/intel/ice/ice_base.c
@@ -536,7 +536,7 @@ static int ice_vsi_cfg_rxq(struct ice_rx_ring *ring)
return err;
}
- ring->xsk_pool = ice_xsk_pool(ring);
+ ice_rx_xsk_pool(ring);
if (ring->xsk_pool) {
xdp_rxq_info_unreg(&ring->xdp_rxq);
@@ -597,7 +597,7 @@ static int ice_vsi_cfg_rxq(struct ice_rx_ring *ring)
return 0;
}
- ok = ice_alloc_rx_bufs_zc(ring, num_bufs);
+ ok = ice_alloc_rx_bufs_zc(ring, ring->xsk_pool, num_bufs);
if (!ok) {
u16 pf_q = ring->vsi->rxq_map[ring->q_index];
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 55a42aad92..9b075dd488 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -2949,7 +2949,7 @@ static void ice_vsi_rx_napi_schedule(struct ice_vsi *vsi)
ice_for_each_rxq(vsi, i) {
struct ice_rx_ring *rx_ring = vsi->rx_rings[i];
- if (rx_ring->xsk_pool)
+ if (READ_ONCE(rx_ring->xsk_pool))
napi_schedule(&rx_ring->q_vector->napi);
}
}
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index 8bb743f78f..8d25b69812 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -456,7 +456,7 @@ void ice_free_rx_ring(struct ice_rx_ring *rx_ring)
if (rx_ring->vsi->type == ICE_VSI_PF)
if (xdp_rxq_info_is_reg(&rx_ring->xdp_rxq))
xdp_rxq_info_unreg(&rx_ring->xdp_rxq);
- rx_ring->xdp_prog = NULL;
+ WRITE_ONCE(rx_ring->xdp_prog, NULL);
if (rx_ring->xsk_pool) {
kfree(rx_ring->xdp_buf);
rx_ring->xdp_buf = NULL;
@@ -1521,10 +1521,11 @@ int ice_napi_poll(struct napi_struct *napi, int budget)
* budget and be more aggressive about cleaning up the Tx descriptors.
*/
ice_for_each_tx_ring(tx_ring, q_vector->tx) {
+ struct xsk_buff_pool *xsk_pool = READ_ONCE(tx_ring->xsk_pool);
bool wd;
- if (tx_ring->xsk_pool)
- wd = ice_xmit_zc(tx_ring);
+ if (xsk_pool)
+ wd = ice_xmit_zc(tx_ring, xsk_pool);
else if (ice_ring_is_xdp(tx_ring))
wd = true;
else
@@ -1550,6 +1551,7 @@ int ice_napi_poll(struct napi_struct *napi, int budget)
budget_per_ring = budget;
ice_for_each_rx_ring(rx_ring, q_vector->rx) {
+ struct xsk_buff_pool *xsk_pool = READ_ONCE(rx_ring->xsk_pool);
int cleaned;
/* A dedicated path for zero-copy allows making a single
@@ -1557,7 +1559,7 @@ int ice_napi_poll(struct napi_struct *napi, int budget)
* ice_clean_rx_irq function and makes the codebase cleaner.
*/
cleaned = rx_ring->xsk_pool ?
- ice_clean_rx_irq_zc(rx_ring, budget_per_ring) :
+ ice_clean_rx_irq_zc(rx_ring, xsk_pool, budget_per_ring) :
ice_clean_rx_irq(rx_ring, budget_per_ring);
work_done += cleaned;
/* if we clean as many as budgeted, we must not be done */
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c
index a65955eb23..240a7bec24 100644
--- a/drivers/net/ethernet/intel/ice/ice_xsk.c
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.c
@@ -52,10 +52,8 @@ static void ice_qp_reset_stats(struct ice_vsi *vsi, u16 q_idx)
static void ice_qp_clean_rings(struct ice_vsi *vsi, u16 q_idx)
{
ice_clean_tx_ring(vsi->tx_rings[q_idx]);
- if (ice_is_xdp_ena_vsi(vsi)) {
- synchronize_rcu();
+ if (ice_is_xdp_ena_vsi(vsi))
ice_clean_tx_ring(vsi->xdp_rings[q_idx]);
- }
ice_clean_rx_ring(vsi->rx_rings[q_idx]);
}
@@ -112,25 +110,29 @@ ice_qvec_dis_irq(struct ice_vsi *vsi, struct ice_rx_ring *rx_ring,
* ice_qvec_cfg_msix - Enable IRQ for given queue vector
* @vsi: the VSI that contains queue vector
* @q_vector: queue vector
+ * @qid: queue index
*/
static void
-ice_qvec_cfg_msix(struct ice_vsi *vsi, struct ice_q_vector *q_vector)
+ice_qvec_cfg_msix(struct ice_vsi *vsi, struct ice_q_vector *q_vector, u16 qid)
{
u16 reg_idx = q_vector->reg_idx;
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
- struct ice_tx_ring *tx_ring;
- struct ice_rx_ring *rx_ring;
+ int q, _qid = qid;
ice_cfg_itr(hw, q_vector);
- ice_for_each_tx_ring(tx_ring, q_vector->tx)
- ice_cfg_txq_interrupt(vsi, tx_ring->reg_idx, reg_idx,
- q_vector->tx.itr_idx);
+ for (q = 0; q < q_vector->num_ring_tx; q++) {
+ ice_cfg_txq_interrupt(vsi, _qid, reg_idx, q_vector->tx.itr_idx);
+ _qid++;
+ }
+
+ _qid = qid;
- ice_for_each_rx_ring(rx_ring, q_vector->rx)
- ice_cfg_rxq_interrupt(vsi, rx_ring->reg_idx, reg_idx,
- q_vector->rx.itr_idx);
+ for (q = 0; q < q_vector->num_ring_rx; q++) {
+ ice_cfg_rxq_interrupt(vsi, _qid, reg_idx, q_vector->rx.itr_idx);
+ _qid++;
+ }
ice_flush(hw);
}
@@ -164,6 +166,7 @@ static int ice_qp_dis(struct ice_vsi *vsi, u16 q_idx)
struct ice_tx_ring *tx_ring;
struct ice_rx_ring *rx_ring;
int timeout = 50;
+ int fail = 0;
int err;
if (q_idx >= vsi->num_rxq || q_idx >= vsi->num_txq)
@@ -180,15 +183,17 @@ static int ice_qp_dis(struct ice_vsi *vsi, u16 q_idx)
usleep_range(1000, 2000);
}
+ synchronize_net();
+ netif_carrier_off(vsi->netdev);
+ netif_tx_stop_queue(netdev_get_tx_queue(vsi->netdev, q_idx));
+
ice_qvec_dis_irq(vsi, rx_ring, q_vector);
ice_qvec_toggle_napi(vsi, q_vector, false);
- netif_tx_stop_queue(netdev_get_tx_queue(vsi->netdev, q_idx));
-
ice_fill_txq_meta(vsi, tx_ring, &txq_meta);
err = ice_vsi_stop_tx_ring(vsi, ICE_NO_RESET, 0, tx_ring, &txq_meta);
- if (err)
- return err;
+ if (!fail)
+ fail = err;
if (ice_is_xdp_ena_vsi(vsi)) {
struct ice_tx_ring *xdp_ring = vsi->xdp_rings[q_idx];
@@ -196,17 +201,15 @@ static int ice_qp_dis(struct ice_vsi *vsi, u16 q_idx)
ice_fill_txq_meta(vsi, xdp_ring, &txq_meta);
err = ice_vsi_stop_tx_ring(vsi, ICE_NO_RESET, 0, xdp_ring,
&txq_meta);
- if (err)
- return err;
+ if (!fail)
+ fail = err;
}
- err = ice_vsi_ctrl_one_rx_ring(vsi, false, q_idx, true);
- if (err)
- return err;
+ ice_vsi_ctrl_one_rx_ring(vsi, false, q_idx, false);
ice_qp_clean_rings(vsi, q_idx);
ice_qp_reset_stats(vsi, q_idx);
- return 0;
+ return fail;
}
/**
@@ -219,40 +222,48 @@ static int ice_qp_dis(struct ice_vsi *vsi, u16 q_idx)
static int ice_qp_ena(struct ice_vsi *vsi, u16 q_idx)
{
struct ice_q_vector *q_vector;
+ int fail = 0;
+ bool link_up;
int err;
err = ice_vsi_cfg_single_txq(vsi, vsi->tx_rings, q_idx);
- if (err)
- return err;
+ if (!fail)
+ fail = err;
if (ice_is_xdp_ena_vsi(vsi)) {
struct ice_tx_ring *xdp_ring = vsi->xdp_rings[q_idx];
err = ice_vsi_cfg_single_txq(vsi, vsi->xdp_rings, q_idx);
- if (err)
- return err;
+ if (!fail)
+ fail = err;
ice_set_ring_xdp(xdp_ring);
ice_tx_xsk_pool(vsi, q_idx);
}
err = ice_vsi_cfg_single_rxq(vsi, q_idx);
- if (err)
- return err;
+ if (!fail)
+ fail = err;
q_vector = vsi->rx_rings[q_idx]->q_vector;
- ice_qvec_cfg_msix(vsi, q_vector);
+ ice_qvec_cfg_msix(vsi, q_vector, q_idx);
err = ice_vsi_ctrl_one_rx_ring(vsi, true, q_idx, true);
- if (err)
- return err;
+ if (!fail)
+ fail = err;
ice_qvec_toggle_napi(vsi, q_vector, true);
ice_qvec_ena_irq(vsi, q_vector);
- netif_tx_start_queue(netdev_get_tx_queue(vsi->netdev, q_idx));
+ /* make sure NAPI sees updated ice_{t,x}_ring::xsk_pool */
+ synchronize_net();
+ ice_get_link_status(vsi->port_info, &link_up);
+ if (link_up) {
+ netif_tx_start_queue(netdev_get_tx_queue(vsi->netdev, q_idx));
+ netif_carrier_on(vsi->netdev);
+ }
clear_bit(ICE_CFG_BUSY, vsi->state);
- return 0;
+ return fail;
}
/**
@@ -459,6 +470,7 @@ static u16 ice_fill_rx_descs(struct xsk_buff_pool *pool, struct xdp_buff **xdp,
/**
* __ice_alloc_rx_bufs_zc - allocate a number of Rx buffers
* @rx_ring: Rx ring
+ * @xsk_pool: XSK buffer pool to pick buffers to be filled by HW
* @count: The number of buffers to allocate
*
* Place the @count of descriptors onto Rx ring. Handle the ring wrap
@@ -467,7 +479,8 @@ static u16 ice_fill_rx_descs(struct xsk_buff_pool *pool, struct xdp_buff **xdp,
*
* Returns true if all allocations were successful, false if any fail.
*/
-static bool __ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count)
+static bool __ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring,
+ struct xsk_buff_pool *xsk_pool, u16 count)
{
u32 nb_buffs_extra = 0, nb_buffs = 0;
union ice_32b_rx_flex_desc *rx_desc;
@@ -479,8 +492,7 @@ static bool __ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count)
xdp = ice_xdp_buf(rx_ring, ntu);
if (ntu + count >= rx_ring->count) {
- nb_buffs_extra = ice_fill_rx_descs(rx_ring->xsk_pool, xdp,
- rx_desc,
+ nb_buffs_extra = ice_fill_rx_descs(xsk_pool, xdp, rx_desc,
rx_ring->count - ntu);
if (nb_buffs_extra != rx_ring->count - ntu) {
ntu += nb_buffs_extra;
@@ -493,7 +505,7 @@ static bool __ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count)
ice_release_rx_desc(rx_ring, 0);
}
- nb_buffs = ice_fill_rx_descs(rx_ring->xsk_pool, xdp, rx_desc, count);
+ nb_buffs = ice_fill_rx_descs(xsk_pool, xdp, rx_desc, count);
ntu += nb_buffs;
if (ntu == rx_ring->count)
@@ -509,6 +521,7 @@ exit:
/**
* ice_alloc_rx_bufs_zc - allocate a number of Rx buffers
* @rx_ring: Rx ring
+ * @xsk_pool: XSK buffer pool to pick buffers to be filled by HW
* @count: The number of buffers to allocate
*
* Wrapper for internal allocation routine; figure out how many tail
@@ -516,7 +529,8 @@ exit:
*
* Returns true if all calls to internal alloc routine succeeded
*/
-bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count)
+bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring,
+ struct xsk_buff_pool *xsk_pool, u16 count)
{
u16 rx_thresh = ICE_RING_QUARTER(rx_ring);
u16 leftover, i, tail_bumps;
@@ -525,9 +539,9 @@ bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count)
leftover = count - (tail_bumps * rx_thresh);
for (i = 0; i < tail_bumps; i++)
- if (!__ice_alloc_rx_bufs_zc(rx_ring, rx_thresh))
+ if (!__ice_alloc_rx_bufs_zc(rx_ring, xsk_pool, rx_thresh))
return false;
- return __ice_alloc_rx_bufs_zc(rx_ring, leftover);
+ return __ice_alloc_rx_bufs_zc(rx_ring, xsk_pool, leftover);
}
/**
@@ -596,8 +610,10 @@ out:
/**
* ice_clean_xdp_irq_zc - produce AF_XDP descriptors to CQ
* @xdp_ring: XDP Tx ring
+ * @xsk_pool: AF_XDP buffer pool pointer
*/
-static u32 ice_clean_xdp_irq_zc(struct ice_tx_ring *xdp_ring)
+static u32 ice_clean_xdp_irq_zc(struct ice_tx_ring *xdp_ring,
+ struct xsk_buff_pool *xsk_pool)
{
u16 ntc = xdp_ring->next_to_clean;
struct ice_tx_desc *tx_desc;
@@ -648,7 +664,7 @@ skip:
if (xdp_ring->next_to_clean >= cnt)
xdp_ring->next_to_clean -= cnt;
if (xsk_frames)
- xsk_tx_completed(xdp_ring->xsk_pool, xsk_frames);
+ xsk_tx_completed(xsk_pool, xsk_frames);
return completed_frames;
}
@@ -657,6 +673,7 @@ skip:
* ice_xmit_xdp_tx_zc - AF_XDP ZC handler for XDP_TX
* @xdp: XDP buffer to xmit
* @xdp_ring: XDP ring to produce descriptor onto
+ * @xsk_pool: AF_XDP buffer pool pointer
*
* note that this function works directly on xdp_buff, no need to convert
* it to xdp_frame. xdp_buff pointer is stored to ice_tx_buf so that cleaning
@@ -666,7 +683,8 @@ skip:
* was not enough space on XDP ring
*/
static int ice_xmit_xdp_tx_zc(struct xdp_buff *xdp,
- struct ice_tx_ring *xdp_ring)
+ struct ice_tx_ring *xdp_ring,
+ struct xsk_buff_pool *xsk_pool)
{
struct skb_shared_info *sinfo = NULL;
u32 size = xdp->data_end - xdp->data;
@@ -680,7 +698,7 @@ static int ice_xmit_xdp_tx_zc(struct xdp_buff *xdp,
free_space = ICE_DESC_UNUSED(xdp_ring);
if (free_space < ICE_RING_QUARTER(xdp_ring))
- free_space += ice_clean_xdp_irq_zc(xdp_ring);
+ free_space += ice_clean_xdp_irq_zc(xdp_ring, xsk_pool);
if (unlikely(!free_space))
goto busy;
@@ -700,7 +718,7 @@ static int ice_xmit_xdp_tx_zc(struct xdp_buff *xdp,
dma_addr_t dma;
dma = xsk_buff_xdp_get_dma(xdp);
- xsk_buff_raw_dma_sync_for_device(xdp_ring->xsk_pool, dma, size);
+ xsk_buff_raw_dma_sync_for_device(xsk_pool, dma, size);
tx_buf->xdp = xdp;
tx_buf->type = ICE_TX_BUF_XSK_TX;
@@ -742,12 +760,14 @@ busy:
* @xdp: xdp_buff used as input to the XDP program
* @xdp_prog: XDP program to run
* @xdp_ring: ring to be used for XDP_TX action
+ * @xsk_pool: AF_XDP buffer pool pointer
*
* Returns any of ICE_XDP_{PASS, CONSUMED, TX, REDIR}
*/
static int
ice_run_xdp_zc(struct ice_rx_ring *rx_ring, struct xdp_buff *xdp,
- struct bpf_prog *xdp_prog, struct ice_tx_ring *xdp_ring)
+ struct bpf_prog *xdp_prog, struct ice_tx_ring *xdp_ring,
+ struct xsk_buff_pool *xsk_pool)
{
int err, result = ICE_XDP_PASS;
u32 act;
@@ -758,7 +778,7 @@ ice_run_xdp_zc(struct ice_rx_ring *rx_ring, struct xdp_buff *xdp,
err = xdp_do_redirect(rx_ring->netdev, xdp, xdp_prog);
if (!err)
return ICE_XDP_REDIR;
- if (xsk_uses_need_wakeup(rx_ring->xsk_pool) && err == -ENOBUFS)
+ if (xsk_uses_need_wakeup(xsk_pool) && err == -ENOBUFS)
result = ICE_XDP_EXIT;
else
result = ICE_XDP_CONSUMED;
@@ -769,7 +789,7 @@ ice_run_xdp_zc(struct ice_rx_ring *rx_ring, struct xdp_buff *xdp,
case XDP_PASS:
break;
case XDP_TX:
- result = ice_xmit_xdp_tx_zc(xdp, xdp_ring);
+ result = ice_xmit_xdp_tx_zc(xdp, xdp_ring, xsk_pool);
if (result == ICE_XDP_CONSUMED)
goto out_failure;
break;
@@ -821,14 +841,16 @@ ice_add_xsk_frag(struct ice_rx_ring *rx_ring, struct xdp_buff *first,
/**
* ice_clean_rx_irq_zc - consumes packets from the hardware ring
* @rx_ring: AF_XDP Rx ring
+ * @xsk_pool: AF_XDP buffer pool pointer
* @budget: NAPI budget
*
* Returns number of processed packets on success, remaining budget on failure.
*/
-int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget)
+int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring,
+ struct xsk_buff_pool *xsk_pool,
+ int budget)
{
unsigned int total_rx_bytes = 0, total_rx_packets = 0;
- struct xsk_buff_pool *xsk_pool = rx_ring->xsk_pool;
u32 ntc = rx_ring->next_to_clean;
u32 ntu = rx_ring->next_to_use;
struct xdp_buff *first = NULL;
@@ -891,7 +913,8 @@ int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget)
if (ice_is_non_eop(rx_ring, rx_desc))
continue;
- xdp_res = ice_run_xdp_zc(rx_ring, first, xdp_prog, xdp_ring);
+ xdp_res = ice_run_xdp_zc(rx_ring, first, xdp_prog, xdp_ring,
+ xsk_pool);
if (likely(xdp_res & (ICE_XDP_TX | ICE_XDP_REDIR))) {
xdp_xmit |= xdp_res;
} else if (xdp_res == ICE_XDP_EXIT) {
@@ -940,7 +963,8 @@ construct_skb:
rx_ring->next_to_clean = ntc;
entries_to_alloc = ICE_RX_DESC_UNUSED(rx_ring);
if (entries_to_alloc > ICE_RING_QUARTER(rx_ring))
- failure |= !ice_alloc_rx_bufs_zc(rx_ring, entries_to_alloc);
+ failure |= !ice_alloc_rx_bufs_zc(rx_ring, xsk_pool,
+ entries_to_alloc);
ice_finalize_xdp_rx(xdp_ring, xdp_xmit, 0);
ice_update_rx_ring_stats(rx_ring, total_rx_packets, total_rx_bytes);
@@ -963,17 +987,19 @@ construct_skb:
/**
* ice_xmit_pkt - produce a single HW Tx descriptor out of AF_XDP descriptor
* @xdp_ring: XDP ring to produce the HW Tx descriptor on
+ * @xsk_pool: XSK buffer pool to pick buffers to be consumed by HW
* @desc: AF_XDP descriptor to pull the DMA address and length from
* @total_bytes: bytes accumulator that will be used for stats update
*/
-static void ice_xmit_pkt(struct ice_tx_ring *xdp_ring, struct xdp_desc *desc,
+static void ice_xmit_pkt(struct ice_tx_ring *xdp_ring,
+ struct xsk_buff_pool *xsk_pool, struct xdp_desc *desc,
unsigned int *total_bytes)
{
struct ice_tx_desc *tx_desc;
dma_addr_t dma;
- dma = xsk_buff_raw_get_dma(xdp_ring->xsk_pool, desc->addr);
- xsk_buff_raw_dma_sync_for_device(xdp_ring->xsk_pool, dma, desc->len);
+ dma = xsk_buff_raw_get_dma(xsk_pool, desc->addr);
+ xsk_buff_raw_dma_sync_for_device(xsk_pool, dma, desc->len);
tx_desc = ICE_TX_DESC(xdp_ring, xdp_ring->next_to_use++);
tx_desc->buf_addr = cpu_to_le64(dma);
@@ -986,10 +1012,13 @@ static void ice_xmit_pkt(struct ice_tx_ring *xdp_ring, struct xdp_desc *desc,
/**
* ice_xmit_pkt_batch - produce a batch of HW Tx descriptors out of AF_XDP descriptors
* @xdp_ring: XDP ring to produce the HW Tx descriptors on
+ * @xsk_pool: XSK buffer pool to pick buffers to be consumed by HW
* @descs: AF_XDP descriptors to pull the DMA addresses and lengths from
* @total_bytes: bytes accumulator that will be used for stats update
*/
-static void ice_xmit_pkt_batch(struct ice_tx_ring *xdp_ring, struct xdp_desc *descs,
+static void ice_xmit_pkt_batch(struct ice_tx_ring *xdp_ring,
+ struct xsk_buff_pool *xsk_pool,
+ struct xdp_desc *descs,
unsigned int *total_bytes)
{
u16 ntu = xdp_ring->next_to_use;
@@ -999,8 +1028,8 @@ static void ice_xmit_pkt_batch(struct ice_tx_ring *xdp_ring, struct xdp_desc *de
loop_unrolled_for(i = 0; i < PKTS_PER_BATCH; i++) {
dma_addr_t dma;
- dma = xsk_buff_raw_get_dma(xdp_ring->xsk_pool, descs[i].addr);
- xsk_buff_raw_dma_sync_for_device(xdp_ring->xsk_pool, dma, descs[i].len);
+ dma = xsk_buff_raw_get_dma(xsk_pool, descs[i].addr);
+ xsk_buff_raw_dma_sync_for_device(xsk_pool, dma, descs[i].len);
tx_desc = ICE_TX_DESC(xdp_ring, ntu++);
tx_desc->buf_addr = cpu_to_le64(dma);
@@ -1016,60 +1045,69 @@ static void ice_xmit_pkt_batch(struct ice_tx_ring *xdp_ring, struct xdp_desc *de
/**
* ice_fill_tx_hw_ring - produce the number of Tx descriptors onto ring
* @xdp_ring: XDP ring to produce the HW Tx descriptors on
+ * @xsk_pool: XSK buffer pool to pick buffers to be consumed by HW
* @descs: AF_XDP descriptors to pull the DMA addresses and lengths from
* @nb_pkts: count of packets to be send
* @total_bytes: bytes accumulator that will be used for stats update
*/
-static void ice_fill_tx_hw_ring(struct ice_tx_ring *xdp_ring, struct xdp_desc *descs,
- u32 nb_pkts, unsigned int *total_bytes)
+static void ice_fill_tx_hw_ring(struct ice_tx_ring *xdp_ring,
+ struct xsk_buff_pool *xsk_pool,
+ struct xdp_desc *descs, u32 nb_pkts,
+ unsigned int *total_bytes)
{
u32 batched, leftover, i;
batched = ALIGN_DOWN(nb_pkts, PKTS_PER_BATCH);
leftover = nb_pkts & (PKTS_PER_BATCH - 1);
for (i = 0; i < batched; i += PKTS_PER_BATCH)
- ice_xmit_pkt_batch(xdp_ring, &descs[i], total_bytes);
+ ice_xmit_pkt_batch(xdp_ring, xsk_pool, &descs[i], total_bytes);
for (; i < batched + leftover; i++)
- ice_xmit_pkt(xdp_ring, &descs[i], total_bytes);
+ ice_xmit_pkt(xdp_ring, xsk_pool, &descs[i], total_bytes);
}
/**
* ice_xmit_zc - take entries from XSK Tx ring and place them onto HW Tx ring
* @xdp_ring: XDP ring to produce the HW Tx descriptors on
+ * @xsk_pool: AF_XDP buffer pool pointer
*
* Returns true if there is no more work that needs to be done, false otherwise
*/
-bool ice_xmit_zc(struct ice_tx_ring *xdp_ring)
+bool ice_xmit_zc(struct ice_tx_ring *xdp_ring, struct xsk_buff_pool *xsk_pool)
{
- struct xdp_desc *descs = xdp_ring->xsk_pool->tx_descs;
+ struct xdp_desc *descs = xsk_pool->tx_descs;
u32 nb_pkts, nb_processed = 0;
unsigned int total_bytes = 0;
int budget;
- ice_clean_xdp_irq_zc(xdp_ring);
+ ice_clean_xdp_irq_zc(xdp_ring, xsk_pool);
+
+ if (!netif_carrier_ok(xdp_ring->vsi->netdev) ||
+ !netif_running(xdp_ring->vsi->netdev))
+ return true;
budget = ICE_DESC_UNUSED(xdp_ring);
budget = min_t(u16, budget, ICE_RING_QUARTER(xdp_ring));
- nb_pkts = xsk_tx_peek_release_desc_batch(xdp_ring->xsk_pool, budget);
+ nb_pkts = xsk_tx_peek_release_desc_batch(xsk_pool, budget);
if (!nb_pkts)
return true;
if (xdp_ring->next_to_use + nb_pkts >= xdp_ring->count) {
nb_processed = xdp_ring->count - xdp_ring->next_to_use;
- ice_fill_tx_hw_ring(xdp_ring, descs, nb_processed, &total_bytes);
+ ice_fill_tx_hw_ring(xdp_ring, xsk_pool, descs, nb_processed,
+ &total_bytes);
xdp_ring->next_to_use = 0;
}
- ice_fill_tx_hw_ring(xdp_ring, &descs[nb_processed], nb_pkts - nb_processed,
- &total_bytes);
+ ice_fill_tx_hw_ring(xdp_ring, xsk_pool, &descs[nb_processed],
+ nb_pkts - nb_processed, &total_bytes);
ice_set_rs_bit(xdp_ring);
ice_xdp_ring_update_tail(xdp_ring);
ice_update_tx_ring_stats(xdp_ring, nb_pkts, total_bytes);
- if (xsk_uses_need_wakeup(xdp_ring->xsk_pool))
- xsk_set_tx_need_wakeup(xdp_ring->xsk_pool);
+ if (xsk_uses_need_wakeup(xsk_pool))
+ xsk_set_tx_need_wakeup(xsk_pool);
return nb_pkts < budget;
}
@@ -1091,7 +1129,7 @@ ice_xsk_wakeup(struct net_device *netdev, u32 queue_id,
struct ice_vsi *vsi = np->vsi;
struct ice_tx_ring *ring;
- if (test_bit(ICE_VSI_DOWN, vsi->state))
+ if (test_bit(ICE_VSI_DOWN, vsi->state) || !netif_carrier_ok(netdev))
return -ENETDOWN;
if (!ice_is_xdp_ena_vsi(vsi))
@@ -1102,7 +1140,7 @@ ice_xsk_wakeup(struct net_device *netdev, u32 queue_id,
ring = vsi->rx_rings[queue_id]->xdp_ring;
- if (!ring->xsk_pool)
+ if (!READ_ONCE(ring->xsk_pool))
return -EINVAL;
/* The idea here is that if NAPI is running, mark a miss, so
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.h b/drivers/net/ethernet/intel/ice/ice_xsk.h
index 6fa181f080..45adeb5132 100644
--- a/drivers/net/ethernet/intel/ice/ice_xsk.h
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.h
@@ -20,16 +20,20 @@ struct ice_vsi;
#ifdef CONFIG_XDP_SOCKETS
int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool,
u16 qid);
-int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget);
+int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring,
+ struct xsk_buff_pool *xsk_pool,
+ int budget);
int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
-bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count);
+bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring,
+ struct xsk_buff_pool *xsk_pool, u16 count);
bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring);
void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring);
-bool ice_xmit_zc(struct ice_tx_ring *xdp_ring);
+bool ice_xmit_zc(struct ice_tx_ring *xdp_ring, struct xsk_buff_pool *xsk_pool);
int ice_realloc_zc_buf(struct ice_vsi *vsi, bool zc);
#else
-static inline bool ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring)
+static inline bool ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring,
+ struct xsk_buff_pool __always_unused *xsk_pool)
{
return false;
}
@@ -44,6 +48,7 @@ ice_xsk_pool_setup(struct ice_vsi __always_unused *vsi,
static inline int
ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring,
+ struct xsk_buff_pool __always_unused *xsk_pool,
int __always_unused budget)
{
return 0;
@@ -51,6 +56,7 @@ ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring,
static inline bool
ice_alloc_rx_bufs_zc(struct ice_rx_ring __always_unused *rx_ring,
+ struct xsk_buff_pool __always_unused *xsk_pool,
u16 __always_unused count)
{
return false;
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 87b655b839..33069880c8 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -6310,21 +6310,6 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter,
size_t n;
int i;
- switch (qopt->cmd) {
- case TAPRIO_CMD_REPLACE:
- break;
- case TAPRIO_CMD_DESTROY:
- return igc_tsn_clear_schedule(adapter);
- case TAPRIO_CMD_STATS:
- igc_taprio_stats(adapter->netdev, &qopt->stats);
- return 0;
- case TAPRIO_CMD_QUEUE_STATS:
- igc_taprio_queue_stats(adapter->netdev, &qopt->queue_stats);
- return 0;
- default:
- return -EOPNOTSUPP;
- }
-
if (qopt->base_time < 0)
return -ERANGE;
@@ -6433,7 +6418,23 @@ static int igc_tsn_enable_qbv_scheduling(struct igc_adapter *adapter,
if (hw->mac.type != igc_i225)
return -EOPNOTSUPP;
- err = igc_save_qbv_schedule(adapter, qopt);
+ switch (qopt->cmd) {
+ case TAPRIO_CMD_REPLACE:
+ err = igc_save_qbv_schedule(adapter, qopt);
+ break;
+ case TAPRIO_CMD_DESTROY:
+ err = igc_tsn_clear_schedule(adapter);
+ break;
+ case TAPRIO_CMD_STATS:
+ igc_taprio_stats(adapter->netdev, &qopt->stats);
+ return 0;
+ case TAPRIO_CMD_QUEUE_STATS:
+ igc_taprio_queue_stats(adapter->netdev, &qopt->queue_stats);
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+
if (err)
return err;