From: Zyta Szpak zr@semihalf.com
This patch enables parsing of inner layers for tunnelled packets.
Signed-off-by: Zyta Szpak zr@semihalf.com Signed-off-by: Sunil Goutham sgoutham@cavium.com Signed-off-by: David S. Miller davem@davemloft.net --- drivers/net/ethernet/cavium/thunder/nic_main.c | 21 +++++++++++++++++++++ drivers/net/ethernet/cavium/thunder/nic_reg.h | 13 +++++++++++++ 2 files changed, 34 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index 450d7b6..c98dbd7 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -963,6 +963,25 @@ static int nic_reset_stat_counters(struct nicpf *nic, return 0; }
+static void nic_enable_tunnel_parsing(struct nicpf *nic, int vf) +{ + u64 prot_def = (IPV6_PROT << 32) | (IPV4_PROT << 16) | ET_PROT; + u64 vxlan_prot_def = (IPV6_PROT_DEF << 32) | + (IPV4_PROT_DEF) << 16 | ET_PROT_DEF; + + /* Configure tunnel parsing parameters */ + nic_reg_write(nic, NIC_PF_RX_GENEVE_DEF, + (1ULL << 63 | UDP_GENEVE_PORT_NUM)); + nic_reg_write(nic, NIC_PF_RX_GENEVE_PROT_DEF, + ((7ULL << 61) | prot_def)); + nic_reg_write(nic, NIC_PF_RX_NVGRE_PROT_DEF, + ((7ULL << 61) | prot_def)); + nic_reg_write(nic, NIC_PF_RX_VXLAN_DEF_0_1, + ((1ULL << 63) | UDP_VXLAN_PORT_NUM)); + nic_reg_write(nic, NIC_PF_RX_VXLAN_PROT_DEF, + ((0xfULL << 60) | vxlan_prot_def)); +} + static void nic_enable_vf(struct nicpf *nic, int vf, bool enable) { int bgx, lmac; @@ -1036,6 +1055,8 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) */ if (pass2_silicon(nic->pdev)) nic_reg_write(nic, NIC_PF_RX_CFG, 0x01); + if (!pass1_silicon(nic->pdev)) + nic_enable_tunnel_parsing(nic, vf); break; case NIC_MBOX_MSG_RQ_BP_CFG: reg_addr = NIC_PF_QSET_0_127_RQ_0_7_BP_CFG | diff --git a/drivers/net/ethernet/cavium/thunder/nic_reg.h b/drivers/net/ethernet/cavium/thunder/nic_reg.h index 8fa1a5d..edf779f 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_reg.h +++ b/drivers/net/ethernet/cavium/thunder/nic_reg.h @@ -36,6 +36,19 @@ #define NIC_PF_MAILBOX_ENA_W1C (0x0450) #define NIC_PF_MAILBOX_ENA_W1S (0x0470) #define NIC_PF_RX_ETYPE_0_7 (0x0500) +#define NIC_PF_RX_GENEVE_DEF (0x0580) +#define UDP_GENEVE_PORT_NUM 0x17C1ULL +#define NIC_PF_RX_GENEVE_PROT_DEF (0x0588) +#define IPV6_PROT 0x86DDULL +#define IPV4_PROT 0x800ULL +#define ET_PROT 0x6558ULL +#define NIC_PF_RX_NVGRE_PROT_DEF (0x0598) +#define NIC_PF_RX_VXLAN_DEF_0_1 (0x05A0) +#define UDP_VXLAN_PORT_NUM 0x12B5 +#define NIC_PF_RX_VXLAN_PROT_DEF (0x05B0) +#define IPV6_PROT_DEF 0x2ULL +#define IPV4_PROT_DEF 0x1ULL +#define ET_PROT_DEF 0x3ULL #define NIC_PF_RX_CFG (0x05D0) #define NIC_PF_PKIND_0_15_CFG (0x0600) #define NIC_PF_ECC0_FLIP0 (0x1000)