[dpdk-dev] [PATCH v3 24/28] net/cnxk: update ethertype for mixed IPsec tunnel versions
From: Nithin Dabilpuram <hidden>
Date: 2021-10-01 13:43:25
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Srujana Challa <schalla@marvell.com> Adds support to update ethertype for mixed IPsec tunnel versions. And also sets et_overwr for inbound IPsec. Signed-off-by: Srujana Challa <schalla@marvell.com> --- drivers/common/cnxk/cnxk_security.c | 1 + drivers/net/cnxk/cn10k_ethdev.h | 3 ++- drivers/net/cnxk/cn10k_ethdev_sec.c | 2 ++ drivers/net/cnxk/cn10k_tx.h | 19 +++++++++++++++++++ 4 files changed, 24 insertions(+), 1 deletion(-)
diff --git a/drivers/common/cnxk/cnxk_security.c b/drivers/common/cnxk/cnxk_security.c
index c117fa7..0039a9d 100644
--- a/drivers/common/cnxk/cnxk_security.c
+++ b/drivers/common/cnxk/cnxk_security.c@@ -344,6 +344,7 @@ cnxk_ot_ipsec_inb_sa_fill(struct roc_ot_ipsec_inb_sa *sa, /* There are two words of CPT_CTX_HW_S for ucode to skip */ sa->w0.s.ctx_hdr_size = 1; sa->w0.s.aop_valid = 1; + sa->w0.s.et_ovrwr = 1; rte_wmb();
diff --git a/drivers/net/cnxk/cn10k_ethdev.h b/drivers/net/cnxk/cn10k_ethdev.h
index 200cd93..c2a46ad 100644
--- a/drivers/net/cnxk/cn10k_ethdev.h
+++ b/drivers/net/cnxk/cn10k_ethdev.h@@ -64,7 +64,8 @@ struct cn10k_sec_sess_priv { struct { uint32_t sa_idx; uint8_t inb_sa : 1; - uint8_t rsvd1 : 2; + uint8_t outer_ip_ver : 1; + uint8_t mode : 1; uint8_t roundup_byte : 5; uint8_t roundup_len; uint16_t partial_len;
diff --git a/drivers/net/cnxk/cn10k_ethdev_sec.c b/drivers/net/cnxk/cn10k_ethdev_sec.c
index dae5ea7..c66730a 100644
--- a/drivers/net/cnxk/cn10k_ethdev_sec.c
+++ b/drivers/net/cnxk/cn10k_ethdev_sec.c@@ -341,6 +341,8 @@ cn10k_eth_sec_session_create(void *device, sess_priv.roundup_byte = rlens->roundup_byte; sess_priv.roundup_len = rlens->roundup_len; sess_priv.partial_len = rlens->partial_len; + sess_priv.mode = outb_sa->w2.s.ipsec_mode; + sess_priv.outer_ip_ver = outb_sa->w2.s.outer_ip_ver; /* Pointer from eth_sec -> outb_sa */ eth_sec->sa = outb_sa;
diff --git a/drivers/net/cnxk/cn10k_tx.h b/drivers/net/cnxk/cn10k_tx.h
index 52bb71d..ad84464 100644
--- a/drivers/net/cnxk/cn10k_tx.h
+++ b/drivers/net/cnxk/cn10k_tx.h@@ -302,6 +302,16 @@ cn10k_nix_prep_sec_vec(struct rte_mbuf *m, uint64x2_t *cmd0, uint64x2_t *cmd1, cmd23 = vsetq_lane_u64((uintptr_t)m | 1, cmd23, 1); dptr += l2_len; + + if (sess_priv.mode == ROC_IE_SA_MODE_TUNNEL) { + if (sess_priv.outer_ip_ver == ROC_IE_SA_IP_VERSION_4) + *((uint16_t *)(dptr - 2)) = + rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4); + else + *((uint16_t *)(dptr - 2)) = + rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6); + } + ucode_cmd[1] = dptr; ucode_cmd[2] = dptr;
@@ -396,6 +406,15 @@ cn10k_nix_prep_sec(struct rte_mbuf *m, uint64_t *cmd, uintptr_t *nixtx_addr, cmd23 = vsetq_lane_u64((uintptr_t)m | 1, cmd23, 1); dptr += l2_len; + + if (sess_priv.mode == ROC_IE_SA_MODE_TUNNEL) { + if (sess_priv.outer_ip_ver == ROC_IE_SA_IP_VERSION_4) + *((uint16_t *)(dptr - 2)) = + rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4); + else + *((uint16_t *)(dptr - 2)) = + rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6); + } ucode_cmd[1] = dptr; ucode_cmd[2] = dptr;
--
2.8.4