octeontx2-af: Enable packet length and csum validation

[muen/linux.git] / drivers / net / ethernet / marvell / octeontx2 / af / rvu_nix.c

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 7de5417277e6830df8f11d75a72fc057b2326dca..02e1d16cf670001e96e9520ea4e8318a1631fdeb 100644 (file)
--- 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;
 }