diff options
| author | Haiyue Wang <haiyue.wang@intel.com> | 2021-04-13 03:48:43 +0300 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2021-04-22 19:26:23 +0300 |
| commit | 7b8f3f957b22746bc9a410d7cd2e9edd0efcc9f5 (patch) | |
| tree | d5a8c07ff1b84188be3927f82647a7000ca855c7 /drivers/net/ethernet/intel/iavf/iavf_adv_rss.c | |
| parent | 5ab91e0593a15652d31d3eb0bd6d28bf0bc9b36c (diff) | |
| download | linux-7b8f3f957b22746bc9a410d7cd2e9edd0efcc9f5.tar.xz | |
iavf: Support for modifying UDP RSS flow hashing
Provides the ability to enable UDP RSS hashing by ethtool.
It gives users option of generating RSS hash based on the UDP source
and destination ports numbers, IPv4 or IPv6 source and destination
addresses.
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/iavf/iavf_adv_rss.c')
| -rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_adv_rss.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/iavf/iavf_adv_rss.c b/drivers/net/ethernet/intel/iavf/iavf_adv_rss.c index 4c5771cdc445..a8e03aaccc6b 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_adv_rss.c +++ b/drivers/net/ethernet/intel/iavf/iavf_adv_rss.c @@ -57,6 +57,23 @@ iavf_fill_adv_rss_tcp_hdr(struct virtchnl_proto_hdr *hdr, u64 hash_flds) } /** + * iavf_fill_adv_rss_udp_hdr - fill the UDP RSS protocol header + * @hdr: the virtchnl message protocol header data structure + * @hash_flds: the RSS configuration protocol hash fields + */ +static void +iavf_fill_adv_rss_udp_hdr(struct virtchnl_proto_hdr *hdr, u64 hash_flds) +{ + VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, UDP); + + if (hash_flds & IAVF_ADV_RSS_HASH_FLD_UDP_SRC_PORT) + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, SRC_PORT); + + if (hash_flds & IAVF_ADV_RSS_HASH_FLD_UDP_DST_PORT) + VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, DST_PORT); +} + +/** * iavf_fill_adv_rss_cfg_msg - fill the RSS configuration into virtchnl message * @rss_cfg: the virtchnl message to be filled with RSS configuration setting * @packet_hdrs: the RSS configuration protocol header types @@ -92,6 +109,9 @@ iavf_fill_adv_rss_cfg_msg(struct virtchnl_rss_cfg *rss_cfg, case IAVF_ADV_RSS_FLOW_SEG_HDR_TCP: iavf_fill_adv_rss_tcp_hdr(hdr, hash_flds); break; + case IAVF_ADV_RSS_FLOW_SEG_HDR_UDP: + iavf_fill_adv_rss_udp_hdr(hdr, hash_flds); + break; default: return -EINVAL; } @@ -138,6 +158,8 @@ iavf_print_adv_rss_cfg(struct iavf_adapter *adapter, struct iavf_adv_rss *rss, if (packet_hdrs & IAVF_ADV_RSS_FLOW_SEG_HDR_TCP) proto = "TCP"; + else if (packet_hdrs & IAVF_ADV_RSS_FLOW_SEG_HDR_UDP) + proto = "UDP"; else return; @@ -155,9 +177,11 @@ iavf_print_adv_rss_cfg(struct iavf_adapter *adapter, struct iavf_adv_rss *rss, if (hash_flds & (IAVF_ADV_RSS_HASH_FLD_IPV4_DA | IAVF_ADV_RSS_HASH_FLD_IPV6_DA)) strcat(hash_opt, "IP DA,"); - if (hash_flds & IAVF_ADV_RSS_HASH_FLD_TCP_SRC_PORT) + if (hash_flds & (IAVF_ADV_RSS_HASH_FLD_TCP_SRC_PORT | + IAVF_ADV_RSS_HASH_FLD_UDP_SRC_PORT)) strcat(hash_opt, "src port,"); - if (hash_flds & IAVF_ADV_RSS_HASH_FLD_TCP_DST_PORT) + if (hash_flds & (IAVF_ADV_RSS_HASH_FLD_TCP_DST_PORT | + IAVF_ADV_RSS_HASH_FLD_UDP_DST_PORT)) strcat(hash_opt, "dst port,"); if (!action) |