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bnxt_en: Add UDP RSS support for 57X1X chips. 

The newer chips have proper support for 4-tuple UDP RSS.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2016-11-16 21:13:09 -05:00 committed by David S. Miller
parent 286ef9d64e
commit 87da7f796d
2 changed files with 16 additions and 8 deletions
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21
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -3425,13 +3425,7 @@ static int bnxt_hwrm_vnic_set_rss(struct bnxt *bp, u16 vnic_id, bool set_rss)
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_CFG, -1, -1);
if (set_rss) {
vnic->hash_type = VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4 |
VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4 |
VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6 |
VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
req.hash_type = cpu_to_le32(vnic->hash_type);
req.hash_type = cpu_to_le32(bp->rss_hash_cfg);
if (vnic->flags & BNXT_VNIC_RSS_FLAG) {
if (BNXT_CHIP_TYPE_NITRO_A0(bp))
max_rings = bp->rx_nr_rings - 1;
@ -6940,6 +6934,19 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
#endif
bnxt_set_dflt_rings(bp);
/* Default RSS hash cfg. */
bp->rss_hash_cfg = VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4 |
VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4 |
VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6 |
VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
if (!BNXT_CHIP_NUM_57X0X(bp->chip_num) &&
!BNXT_CHIP_TYPE_NITRO_A0(bp) &&
bp->hwrm_spec_code >= 0x10501) {
bp->flags |= BNXT_FLAG_UDP_RSS_CAP;
bp->rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4 |
VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
}
if (BNXT_PF(bp) && !BNXT_CHIP_TYPE_NITRO_A0(bp)) {
dev->hw_features |= NETIF_F_NTUPLE;
if (bnxt_rfs_capable(bp)) {

3
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -700,7 +700,6 @@ struct bnxt_vnic_info {
u8 *uc_list;
u16 *fw_grp_ids;
u16 hash_type;
dma_addr_t rss_table_dma_addr;
__le16 *rss_table;
dma_addr_t rss_hash_key_dma_addr;
@ -952,6 +951,7 @@ struct bnxt {
#define BNXT_FLAG_RFS 0x100
#define BNXT_FLAG_SHARED_RINGS 0x200
#define BNXT_FLAG_PORT_STATS 0x400
#define BNXT_FLAG_UDP_RSS_CAP 0x800
#define BNXT_FLAG_EEE_CAP 0x1000
#define BNXT_FLAG_CHIP_NITRO_A0 0x1000000
@ -1007,6 +1007,7 @@ struct bnxt {
struct bnxt_ring_grp_info *grp_info;
struct bnxt_vnic_info *vnic_info;
int nr_vnics;
u32 rss_hash_cfg;
u8 max_tc;
struct bnxt_queue_info q_info[BNXT_MAX_QUEUE];