diff options
| author | Sunil Goutham <sgoutham@marvell.com> | 2018-10-22 23:25:57 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-22 20:15:38 -0700 |
| commit | 6b3321bacc5a1342e6f3f843234a902f65786b4b (patch) | |
| tree | bf97bc801ed43d000c9d8a51e5757d9d44e6f32a /drivers | |
| parent | d02913d91657941a86208691258837a0fe9a4cd7 (diff) | |
| download | linux-6b3321bacc5a1342e6f3f843234a902f65786b4b.tar.bz2 | |
octeontx2-af: Enable packet length and csum validation
Config NPC layer info from KPU profile into protocol
checker to identify outer L2/IPv4/TCP/UDP headers in a
packet. And enable IPv4 checksum validation.
L3/L4 and L4 CSUM validation will be enabled by PF/VF
drivers by configuring NIX_AF_LF(0..127)_RX_CFG via mbox
i.e 'nix_lf_alloc_req->rx_cfg'
Also enable setting of NPC_RESULT_S[L2B] when an outer
L2 broadcast address is detected. This will help in
installing NPC MCAM rules for broadcast packets.
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 14 | ||||
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 14 |
2 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 7de5417277e6..02e1d16cf670 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -14,6 +14,7 @@ #include "rvu_struct.h" #include "rvu_reg.h" #include "rvu.h" +#include "npc.h" #include "cgx.h" static int nix_update_bcast_mce_list(struct rvu *rvu, u16 pcifunc, bool add); @@ -1630,6 +1631,19 @@ int rvu_nix_init(struct rvu *rvu) err = nix_setup_mcast(rvu, hw->nix0, blkaddr); if (err) return err; + + /* Config Outer L2, IP, TCP and UDP's NPC layer info. + * This helps HW protocol checker to identify headers + * and validate length and checksums. + */ + rvu_write64(rvu, blkaddr, NIX_AF_RX_DEF_OL2, + (NPC_LID_LA << 8) | (NPC_LT_LA_ETHER << 4) | 0x0F); + rvu_write64(rvu, blkaddr, NIX_AF_RX_DEF_OUDP, + (NPC_LID_LD << 8) | (NPC_LT_LD_UDP << 4) | 0x0F); + rvu_write64(rvu, blkaddr, NIX_AF_RX_DEF_OTCP, + (NPC_LID_LD << 8) | (NPC_LT_LD_TCP << 4) | 0x0F); + rvu_write64(rvu, blkaddr, NIX_AF_RX_DEF_OIP4, + (NPC_LID_LC << 8) | (NPC_LT_LC_IP << 4) | 0x0F); } return 0; } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index a9738958aaa6..cc1d8c9e8495 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -220,6 +220,20 @@ int rvu_npc_init(struct rvu *rvu) /* Configure KPU profile */ npc_parser_profile_init(rvu, blkaddr); + /* Config Outer L2, IPv4's NPC layer info */ + rvu_write64(rvu, blkaddr, NPC_AF_PCK_DEF_OL2, + (NPC_LID_LA << 8) | (NPC_LT_LA_ETHER << 4) | 0x0F); + rvu_write64(rvu, blkaddr, NPC_AF_PCK_DEF_OIP4, + (NPC_LID_LC << 8) | (NPC_LT_LC_IP << 4) | 0x0F); + + /* Enable below for Rx pkts. + * - Outer IPv4 header checksum validation. + * - Detect outer L2 broadcast address and set NPC_RESULT_S[L2M]. + */ + rvu_write64(rvu, blkaddr, NPC_AF_PCK_CFG, + rvu_read64(rvu, blkaddr, NPC_AF_PCK_CFG) | + BIT_ULL(6) | BIT_ULL(2)); + return 0; } |