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path: root/drivers/net/ethernet/netronome/nfp/flower/action.c
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/action.c')
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/action.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c
index 631ea4b7d08e..2f886a529ee4 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/action.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/action.c
@@ -266,14 +266,53 @@ nfp_fl_set_eth(const struct tc_action *action, int idx, u32 off,
}
static int
+nfp_fl_set_ip4(const struct tc_action *action, int idx, u32 off,
+ struct nfp_fl_set_ip4_addrs *set_ip_addr)
+{
+ u16 tmp_set_ipv4_op;
+ __be32 exact, mask;
+
+ /* We are expecting tcf_pedit to return a big endian value */
+ mask = (__force __be32)~tcf_pedit_mask(action, idx);
+ exact = (__force __be32)tcf_pedit_val(action, idx);
+
+ if (exact & ~mask)
+ return -EOPNOTSUPP;
+
+ switch (off) {
+ case offsetof(struct iphdr, daddr):
+ set_ip_addr->ipv4_dst_mask = mask;
+ set_ip_addr->ipv4_dst = exact;
+ break;
+ case offsetof(struct iphdr, saddr):
+ set_ip_addr->ipv4_src_mask = mask;
+ set_ip_addr->ipv4_src = exact;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ set_ip_addr->reserved = cpu_to_be16(0);
+ tmp_set_ipv4_op = FIELD_PREP(NFP_FL_ACT_LEN_LW,
+ sizeof(*set_ip_addr) >> NFP_FL_LW_SIZ) |
+ FIELD_PREP(NFP_FL_ACT_JMP_ID,
+ NFP_FL_ACTION_OPCODE_SET_IPV4_ADDRS);
+ set_ip_addr->a_op = cpu_to_be16(tmp_set_ipv4_op);
+
+ return 0;
+}
+
+static int
nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len)
{
+ struct nfp_fl_set_ip4_addrs set_ip_addr;
struct nfp_fl_set_eth set_eth;
enum pedit_header_type htype;
int idx, nkeys, err;
size_t act_size;
u32 offset, cmd;
+ memset(&set_ip_addr, 0, sizeof(set_ip_addr));
memset(&set_eth, 0, sizeof(set_eth));
nkeys = tcf_pedit_nkeys(action);
@@ -289,6 +328,9 @@ nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len)
case TCA_PEDIT_KEY_EX_HDR_TYPE_ETH:
err = nfp_fl_set_eth(action, idx, offset, &set_eth);
break;
+ case TCA_PEDIT_KEY_EX_HDR_TYPE_IP4:
+ err = nfp_fl_set_ip4(action, idx, offset, &set_ip_addr);
+ break;
default:
return -EOPNOTSUPP;
}
@@ -300,6 +342,10 @@ nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len)
act_size = sizeof(set_eth);
memcpy(nfp_action, &set_eth, act_size);
*a_len += act_size;
+ } else if (set_ip_addr.a_op) {
+ act_size = sizeof(set_ip_addr);
+ memcpy(nfp_action, &set_ip_addr, act_size);
+ *a_len += act_size;
}
return 0;