net: flow_dissector: Use 64bits for used_keys

As 32bits of dissector->used_keys are exhausted,
increase the size to 64bits.

This is base change for ESP/AH flow dissector patch.
Please find patch and discussions at
https://lore.kernel.org/netdev/ZMDNjD46BvZ5zp5I@corigine.com/T/#t

Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw
Tested-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 22 insertions, 21 deletions

diff --git a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c
index 73032173ac4e..2643c4b3ff1f 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c
@@ -61,7 +61,7 @@ bool is_pre_ct_flow(struct flow_cls_offload *flow)
 	struct flow_match_ct ct;
 	int i;
 
-	if (dissector->used_keys & BIT(FLOW_DISSECTOR_KEY_CT)) {
+	if (dissector->used_keys & BIT_ULL(FLOW_DISSECTOR_KEY_CT)) {
 		flow_rule_match_ct(rule, &ct);
 		if (ct.key->ct_state)
 			return false;
@@ -94,7 +94,7 @@ bool is_post_ct_flow(struct flow_cls_offload *flow)
 	struct flow_match_ct ct;
 	int i;
 
-	if (dissector->used_keys & BIT(FLOW_DISSECTOR_KEY_CT)) {
+	if (dissector->used_keys & BIT_ULL(FLOW_DISSECTOR_KEY_CT)) {
 		flow_rule_match_ct(rule, &ct);
 		if (ct.key->ct_state & TCA_FLOWER_KEY_CT_FLAGS_ESTABLISHED)
 			return true;
@@ -236,10 +236,11 @@ static bool nfp_ct_merge_check_cannot_skip(struct nfp_fl_ct_flow_entry *entry1,
 static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			      struct nfp_fl_ct_flow_entry *entry2)
 {
-	unsigned int ovlp_keys = entry1->rule->match.dissector->used_keys &
-				 entry2->rule->match.dissector->used_keys;
+	unsigned long long ovlp_keys;
 	bool out, is_v6 = false;
 	u8 ip_proto = 0;
+	ovlp_keys = entry1->rule->match.dissector->used_keys &
+			entry2->rule->match.dissector->used_keys;
 	/* Temporary buffer for mangling keys, 64 is enough to cover max
 	 * struct size of key in various fields that may be mangled.
 	 * Supported fields to mangle:
@@ -257,7 +258,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 	/* Check the overlapped fields one by one, the unmasked part
 	 * should not conflict with each other.
 	 */
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_CONTROL)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_CONTROL)) {
 		struct flow_match_control match1, match2;
 
 		flow_rule_match_control(entry1->rule, &match1);
@@ -267,7 +268,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_BASIC)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_BASIC)) {
 		struct flow_match_basic match1, match2;
 
 		flow_rule_match_basic(entry1->rule, &match1);
@@ -289,7 +290,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 	 * will be do merge check when do nft and post ct merge,
 	 * so skip this ip merge check here.
 	 */
-	if ((ovlp_keys & BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS)) &&
+	if ((ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_IPV4_ADDRS)) &&
 	    nfp_ct_merge_check_cannot_skip(entry1, entry2)) {
 		struct flow_match_ipv4_addrs match1, match2;
 
@@ -311,7 +312,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 	 * will be do merge check when do nft and post ct merge,
 	 * so skip this ip merge check here.
 	 */
-	if ((ovlp_keys & BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS)) &&
+	if ((ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_IPV6_ADDRS)) &&
 	    nfp_ct_merge_check_cannot_skip(entry1, entry2)) {
 		struct flow_match_ipv6_addrs match1, match2;
 
@@ -333,7 +334,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 	 * will be do merge check when do nft and post ct merge,
 	 * so skip this tport merge check here.
 	 */
-	if ((ovlp_keys & BIT(FLOW_DISSECTOR_KEY_PORTS)) &&
+	if ((ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_PORTS)) &&
 	    nfp_ct_merge_check_cannot_skip(entry1, entry2)) {
 		enum flow_action_mangle_base htype = FLOW_ACT_MANGLE_UNSPEC;
 		struct flow_match_ports match1, match2;
@@ -355,7 +356,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
 		struct flow_match_eth_addrs match1, match2;
 
 		flow_rule_match_eth_addrs(entry1->rule, &match1);
@@ -371,7 +372,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_VLAN)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_VLAN)) {
 		struct flow_match_vlan match1, match2;
 
 		flow_rule_match_vlan(entry1->rule, &match1);
@@ -381,7 +382,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_MPLS)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_MPLS)) {
 		struct flow_match_mpls match1, match2;
 
 		flow_rule_match_mpls(entry1->rule, &match1);
@@ -391,7 +392,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_TCP)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_TCP)) {
 		struct flow_match_tcp match1, match2;
 
 		flow_rule_match_tcp(entry1->rule, &match1);
@@ -401,7 +402,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_IP)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_IP)) {
 		struct flow_match_ip match1, match2;
 
 		flow_rule_match_ip(entry1->rule, &match1);
@@ -413,7 +414,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_ENC_KEYID)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_ENC_KEYID)) {
 		struct flow_match_enc_keyid match1, match2;
 
 		flow_rule_match_enc_keyid(entry1->rule, &match1);
@@ -423,7 +424,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) {
 		struct flow_match_ipv4_addrs match1, match2;
 
 		flow_rule_match_enc_ipv4_addrs(entry1->rule, &match1);
@@ -433,7 +434,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS)) {
 		struct flow_match_ipv6_addrs match1, match2;
 
 		flow_rule_match_enc_ipv6_addrs(entry1->rule, &match1);
@@ -443,7 +444,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_ENC_CONTROL)) {
 		struct flow_match_control match1, match2;
 
 		flow_rule_match_enc_control(entry1->rule, &match1);
@@ -453,7 +454,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_ENC_IP)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IP)) {
 		struct flow_match_ip match1, match2;
 
 		flow_rule_match_enc_ip(entry1->rule, &match1);
@@ -463,7 +464,7 @@ static int nfp_ct_merge_check(struct nfp_fl_ct_flow_entry *entry1,
 			goto check_failed;
 	}
 
-	if (ovlp_keys & BIT(FLOW_DISSECTOR_KEY_ENC_OPTS)) {
+	if (ovlp_keys & BIT_ULL(FLOW_DISSECTOR_KEY_ENC_OPTS)) {
 		struct flow_match_enc_opts match1, match2;
 
 		flow_rule_match_enc_opts(entry1->rule, &match1);
@@ -589,7 +590,7 @@ static int nfp_ct_check_meta(struct nfp_fl_ct_flow_entry *post_ct_entry,
 	int i;
 
 	ct_met = get_flow_act(nft_entry->rule, FLOW_ACTION_CT_METADATA);
-	if (ct_met && (dissector->used_keys & BIT(FLOW_DISSECTOR_KEY_CT))) {
+	if (ct_met && (dissector->used_keys & BIT_ULL(FLOW_DISSECTOR_KEY_CT))) {
 		u32 *act_lbl;
 
 		act_lbl = ct_met->ct_metadata.labels;