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| author |   Kumar Sanghvi <kumaras@chelsio.com> | 2017-10-18 20:49:12 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-10-20 13:06:53 +0100 |
| commit | 202187c34c7e3efd9662a25977cddef6e7dec572 (patch) | |
| tree | c87a83a7eae41b024cfbfeedf2e8dab410538c59 /drivers/net | |
| parent | cxgb4: introduce SMT ops to prepare for SMAC rewrite support (diff) | |
| download | linux-dev-202187c34c7e3efd9662a25977cddef6e7dec572.tar.xz linux-dev-202187c34c7e3efd9662a25977cddef6e7dec572.zip | |
cxgb4: add tc flower support for ETH-SMAC rewrite
Adds support for ETH-SMAC rewrite via TC-PEDIT action.
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h | 3 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c index 7c8b0c65934c..34d67a2a86f4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c @@ -45,6 +45,8 @@ struct ch_tc_pedit_fields pedits[] = { PEDIT_FIELDS(ETH_, DMAC_31_0, 4, dmac, 0), PEDIT_FIELDS(ETH_, DMAC_47_32, 2, dmac, 4), + PEDIT_FIELDS(ETH_, SMAC_15_0, 2, smac, 0), + PEDIT_FIELDS(ETH_, SMAC_47_16, 4, smac, 2), }; static struct ch_tc_flower_entry *allocate_flower_entry(void) @@ -291,6 +293,13 @@ static void process_pedit_field(struct ch_filter_specification *fs, u32 val, case PEDIT_ETH_DMAC_47_32_SMAC_15_0: if (~mask & PEDIT_ETH_DMAC_MASK) offload_pedit(fs, val, mask, ETH_DMAC_47_32); + else + offload_pedit(fs, val >> 16, mask >> 16, + ETH_SMAC_15_0); + break; + case PEDIT_ETH_SMAC_47_16: + fs->newsmac = 1; + offload_pedit(fs, val, mask, ETH_SMAC_47_16); } } } @@ -440,6 +449,7 @@ static int cxgb4_validate_flow_actions(struct net_device *dev, switch (offset) { case PEDIT_ETH_DMAC_31_0: case PEDIT_ETH_DMAC_47_32_SMAC_15_0: + case PEDIT_ETH_SMAC_47_16: break; default: netdev_err(dev, "%s: Unsupported pedit field\n", diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h index 7bf6cfa892aa..a2acb782918f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h @@ -57,6 +57,8 @@ struct ch_tc_flower_entry { enum { ETH_DMAC_31_0, /* dmac bits 0.. 31 */ ETH_DMAC_47_32, /* dmac bits 32..47 */ + ETH_SMAC_15_0, /* smac bits 0.. 15 */ + ETH_SMAC_47_16, /* smac bits 16..47 */ }; struct ch_tc_pedit_fields { @@ -72,6 +74,7 @@ struct ch_tc_pedit_fields { #define PEDIT_ETH_DMAC_MASK 0xffff #define PEDIT_ETH_DMAC_31_0 0x0 #define PEDIT_ETH_DMAC_47_32_SMAC_15_0 0x4 +#define PEDIT_ETH_SMAC_47_16 0x8 int cxgb4_tc_flower_replace(struct net_device *dev, struct tc_cls_flower_offload *cls); |