diff options
Diffstat (limited to 'debian/patches/features/all/ethernet-microsoft/0024-RDMA-mana_ib-Use-v2-version-of-cfg_rx_steer_req-to-e.patch')
| -rw-r--r-- | debian/patches/features/all/ethernet-microsoft/0024-RDMA-mana_ib-Use-v2-version-of-cfg_rx_steer_req-to-e.patch | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/debian/patches/features/all/ethernet-microsoft/0024-RDMA-mana_ib-Use-v2-version-of-cfg_rx_steer_req-to-e.patch b/debian/patches/features/all/ethernet-microsoft/0024-RDMA-mana_ib-Use-v2-version-of-cfg_rx_steer_req-to-e.patch new file mode 100644 index 000000000..fb8020cdb --- /dev/null +++ b/debian/patches/features/all/ethernet-microsoft/0024-RDMA-mana_ib-Use-v2-version-of-cfg_rx_steer_req-to-e.patch @@ -0,0 +1,78 @@ +From 672aac0622254a8f1f5f9d2aa8cee2319654d083 Mon Sep 17 00:00:00 2001 +From: Long Li <longli@microsoft.com> +Date: Sat, 13 May 2023 23:18:15 -0700 +Subject: [PATCH 24/30] RDMA/mana_ib: Use v2 version of cfg_rx_steer_req to + enable RX coalescing + +With RX coalescing, one CQE entry can be used to indicate multiple packets +on the receive queue. This saves processing time and PCI bandwidth over +the CQ. + +The MANA Ethernet driver also uses the v2 version of the protocol. It +doesn't use RX coalescing and its behavior is not changed. + +Link: https://lore.kernel.org/r/1684045095-31228-1-git-send-email-longli@linuxonhyperv.com +Signed-off-by: Long Li <longli@microsoft.com> +Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> +(cherry picked from commit 2145328515c8fa9b8a9f7889250bc6c032f2a0e6) +Signed-off-by: Bastian Blank <waldi@debian.org> +--- + drivers/net/ethernet/microsoft/mana/mana_en.c | 5 ++++- + include/net/mana/mana.h | 4 +++- + 2 files changed, 7 insertions(+), 2 deletions(-) + +diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c +index 808dbf55beef..7d82b8949a1e 100644 +--- a/drivers/net/ethernet/microsoft/mana/mana_en.c ++++ b/drivers/net/ethernet/microsoft/mana/mana_en.c +@@ -981,7 +981,7 @@ static int mana_cfg_vport_steering(struct mana_port_context *apc, + bool update_tab) + { + u16 num_entries = MANA_INDIRECT_TABLE_SIZE; +- struct mana_cfg_rx_steer_req *req = NULL; ++ struct mana_cfg_rx_steer_req_v2 *req; + struct mana_cfg_rx_steer_resp resp = {}; + struct net_device *ndev = apc->ndev; + mana_handle_t *req_indir_tab; +@@ -996,6 +996,8 @@ static int mana_cfg_vport_steering(struct mana_port_context *apc, + mana_gd_init_req_hdr(&req->hdr, MANA_CONFIG_VPORT_RX, req_buf_size, + sizeof(resp)); + ++ req->hdr.req.msg_version = GDMA_MESSAGE_V2; ++ + req->vport = apc->port_handle; + req->num_indir_entries = num_entries; + req->indir_tab_offset = sizeof(*req); +@@ -1005,6 +1007,7 @@ static int mana_cfg_vport_steering(struct mana_port_context *apc, + req->update_hashkey = update_key; + req->update_indir_tab = update_tab; + req->default_rxobj = apc->default_rxobj; ++ req->cqe_coalescing_enable = 0; + + if (update_key) + memcpy(&req->hashkey, apc->hashkey, MANA_HASH_KEY_SIZE); +diff --git a/include/net/mana/mana.h b/include/net/mana/mana.h +index 3abfce420594..46b5769a5b6a 100644 +--- a/include/net/mana/mana.h ++++ b/include/net/mana/mana.h +@@ -576,7 +576,7 @@ struct mana_fence_rq_resp { + }; /* HW DATA */ + + /* Configure vPort Rx Steering */ +-struct mana_cfg_rx_steer_req { ++struct mana_cfg_rx_steer_req_v2 { + struct gdma_req_hdr hdr; + mana_handle_t vport; + u16 num_indir_entries; +@@ -589,6 +589,8 @@ struct mana_cfg_rx_steer_req { + u8 reserved; + mana_handle_t default_rxobj; + u8 hashkey[MANA_HASH_KEY_SIZE]; ++ u8 cqe_coalescing_enable; ++ u8 reserved2[7]; + }; /* HW DATA */ + + struct mana_cfg_rx_steer_resp { +-- +2.40.1 + |