diff options
| author | Michael Chan <michael.chan@broadcom.com> | 2023-12-11 16:51:20 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-12-12 16:05:58 -0800 |
| commit | feeef68f6f3d21a1ebda7eb00d4f7aa5423d17be (patch) | |
| tree | d516aabc5a4243d44d2e0b5838d4d8ef135696fe /drivers/net/ethernet/broadcom | |
| parent | 6ce30622547d54eb47cdf55609ad68590c314b50 (diff) | |
bnxt_en: Add support for UDP GSO on 5760X chips
The new 5760X chips supports UDP GSO. Tested using udpgso_bench_tx.
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20231212005122.2401-12-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/broadcom')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 21 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 |
2 files changed, 19 insertions, 3 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 3594290e187a..be3fa0545fdc 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -587,12 +587,21 @@ normal_tx: txbd1->tx_bd_hsize_lflags = lflags; if (skb_is_gso(skb)) { + bool udp_gso = !!(skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4); u32 hdr_len; - if (skb->encapsulation) - hdr_len = skb_inner_tcp_all_headers(skb); - else + if (skb->encapsulation) { + if (udp_gso) + hdr_len = skb_inner_transport_offset(skb) + + sizeof(struct udphdr); + else + hdr_len = skb_inner_tcp_all_headers(skb); + } else if (udp_gso) { + hdr_len = skb_transport_offset(skb) + + sizeof(struct udphdr); + } else { hdr_len = skb_tcp_all_headers(skb); + } txbd1->tx_bd_hsize_lflags |= cpu_to_le32(TX_BD_FLAGS_LSO | TX_BD_FLAGS_T_IPID | @@ -8345,6 +8354,8 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp) flags_ext2 = le32_to_cpu(resp->flags_ext2); if (flags_ext2 & FUNC_QCAPS_RESP_FLAGS_EXT2_RX_ALL_PKTS_TIMESTAMPS_SUPPORTED) bp->fw_cap |= BNXT_FW_CAP_RX_ALL_PKT_TS; + if (flags_ext2 & FUNC_QCAPS_RESP_FLAGS_EXT2_UDP_GSO_SUPPORTED) + bp->flags |= BNXT_FLAG_UDP_GSO_CAP; bp->tx_push_thresh = 0; if ((flags & FUNC_QCAPS_RESP_FLAGS_PUSH_MODE_SUPPORTED) && @@ -14351,6 +14362,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_PARTIAL | NETIF_F_RXHASH | NETIF_F_RXCSUM | NETIF_F_GRO; + if (bp->flags & BNXT_FLAG_UDP_GSO_CAP) + dev->hw_features |= NETIF_F_GSO_UDP_L4; if (BNXT_SUPPORTS_TPA(bp)) dev->hw_features |= NETIF_F_LRO; @@ -14361,6 +14374,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_IPXIP4 | NETIF_F_GSO_PARTIAL; + if (bp->flags & BNXT_FLAG_UDP_GSO_CAP) + dev->hw_enc_features |= NETIF_F_GSO_UDP_L4; if (bp->flags & BNXT_FLAG_CHIP_P7) dev->udp_tunnel_nic_info = &bnxt_udp_tunnels_p7; else diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 15d33f4a61c2..1269463b9b04 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -2044,6 +2044,7 @@ struct bnxt { #define BNXT_FLAG_MULTI_HOST 0x100000 #define BNXT_FLAG_DSN_VALID 0x200000 #define BNXT_FLAG_DOUBLE_DB 0x400000 + #define BNXT_FLAG_UDP_GSO_CAP 0x800000 #define BNXT_FLAG_CHIP_NITRO_A0 0x1000000 #define BNXT_FLAG_DIM 0x2000000 #define BNXT_FLAG_ROCE_MIRROR_CAP 0x4000000 |