net/ionic: observe endianness in Rx filter
authorAndrew Boyer <aboyer@pensando.io>
Mon, 18 Jan 2021 20:34:58 +0000 (12:34 -0800)
committerFerruh Yigit <ferruh.yigit@intel.com>
Fri, 29 Jan 2021 17:16:10 +0000 (18:16 +0100)
The IONIC firmware is little-endian.
Add a new field to struct ionic_rx_filter to store the CPU-endian
match type.
Use a local variable for the VLAN when searching the hash table.

Signed-off-by: Andrew Boyer <aboyer@pensando.io>
drivers/net/ionic/ionic_rx_filter.c
drivers/net/ionic/ionic_rx_filter.h

index fe62453..320b901 100644 (file)
@@ -25,7 +25,7 @@ ionic_rx_filter_del(struct ionic_lif *lif, struct ionic_rx_filter *f)
                .pending_work = true,
                .cmd.rx_filter_del = {
                        .opcode = IONIC_CMD_RX_FILTER_DEL,
-                       .filter_id = f->filter_id,
+                       .filter_id = rte_cpu_to_le_32(f->filter_id),
                },
        };
 
@@ -74,25 +74,24 @@ ionic_rx_filter_save(struct ionic_lif *lif, uint32_t flow_id,
                return -ENOMEM;
 
        f->flow_id = flow_id;
-       f->filter_id = ctx->comp.rx_filter_add.filter_id;
+       f->filter_id = rte_le_to_cpu_32(ctx->comp.rx_filter_add.filter_id);
        f->rxq_index = rxq_index;
+       f->match = rte_le_to_cpu_16(f->cmd.match);
        memcpy(&f->cmd, &ctx->cmd, sizeof(f->cmd));
 
-       switch (f->cmd.match) {
+       switch (f->match) {
        case IONIC_RX_FILTER_MATCH_VLAN:
-               key = f->cmd.vlan.vlan & IONIC_RX_FILTER_HLISTS_MASK;
+               key = rte_le_to_cpu_16(f->cmd.vlan.vlan);
                break;
        case IONIC_RX_FILTER_MATCH_MAC:
                memcpy(&key, f->cmd.mac.addr, sizeof(key));
-               key &= IONIC_RX_FILTER_HLISTS_MASK;
-               break;
-       case IONIC_RX_FILTER_MATCH_MAC_VLAN:
-               key = f->cmd.mac_vlan.vlan & IONIC_RX_FILTER_HLISTS_MASK;
                break;
        default:
                return -EINVAL;
        }
 
+       key &= IONIC_RX_FILTER_HLISTS_MASK;
+
        rte_spinlock_lock(&lif->rx_filters.lock);
 
        LIST_INSERT_HEAD(&lif->rx_filters.by_hash[key], f, by_hash);
@@ -111,11 +110,12 @@ ionic_rx_filter_by_vlan(struct ionic_lif *lif, uint16_t vid)
 {
        uint32_t key = vid & IONIC_RX_FILTER_HLISTS_MASK;
        struct ionic_rx_filter *f;
+       __le16 vid_le = rte_cpu_to_le_16(vid);
 
        LIST_FOREACH(f, &lif->rx_filters.by_hash[key], by_hash) {
-               if (f->cmd.match != IONIC_RX_FILTER_MATCH_VLAN)
+               if (f->match != IONIC_RX_FILTER_MATCH_VLAN)
                        continue;
-               if (f->cmd.vlan.vlan == vid)
+               if (f->cmd.vlan.vlan == vid_le)
                        return f;
        }
 
@@ -130,7 +130,7 @@ ionic_rx_filter_by_addr(struct ionic_lif *lif, const uint8_t *addr)
        struct ionic_rx_filter *f;
 
        LIST_FOREACH(f, &lif->rx_filters.by_hash[key], by_hash) {
-               if (f->cmd.match != IONIC_RX_FILTER_MATCH_MAC)
+               if (f->match != IONIC_RX_FILTER_MATCH_MAC)
                        continue;
                if (memcmp(addr, f->cmd.mac.addr, RTE_ETHER_ADDR_LEN) == 0)
                        return f;
index 6204a7b..e1dd5f9 100644 (file)
@@ -15,6 +15,7 @@ struct ionic_rx_filter {
        uint32_t flow_id;
        uint32_t filter_id;
        uint16_t rxq_index;
+       uint16_t match;
        struct ionic_rx_filter_add_cmd cmd;
        LIST_ENTRY(ionic_rx_filter) by_hash;
        LIST_ENTRY(ionic_rx_filter) by_id;