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net: thunderx: Configure tunnelling protocol parsing

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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>
This commit is contained in:
Zyta Szpak 2016-08-12 16:51:42 +05:30 committed by David S. Miller
parent c43548d26c
commit e22e86ea98
2 changed files with 34 additions and 0 deletions
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21
drivers/net/ethernet/cavium/thunder/nic_main.c
View File

@ -835,6 +835,25 @@ 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;
@ -908,6 +927,8 @@ 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 |

13
drivers/net/ethernet/cavium/thunder/nic_reg.h
View File

@ -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)