bnx2x: merge fp->disable_tpa with fp->mode

It is simpler to have the TPA mode as one three-state variable.

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 355d5fe..2a41604 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -521,6 +521,7 @@ struct bnx2x_fp_txdata {
 };
 
 enum bnx2x_tpa_mode_t {
+       TPA_MODE_DISABLED,
        TPA_MODE_LRO,
        TPA_MODE_GRO
 };
@@ -589,7 +590,6 @@ struct bnx2x_fastpath {
 
        /* TPA related */
        struct bnx2x_agg_info   *tpa_info;
-       u8                      disable_tpa;
 #ifdef BNX2X_STOP_ON_ERROR
        u64                     tpa_queue_used;
 #endif

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index dcdbd00..84612b0 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -947,10 +947,10 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
                        u16 frag_size, pages;
 #ifdef BNX2X_STOP_ON_ERROR
                        /* sanity check */
-                       if (fp->disable_tpa &&
+                       if (fp->mode == TPA_MODE_DISABLED &&
                            (CQE_TYPE_START(cqe_fp_type) ||
                             CQE_TYPE_STOP(cqe_fp_type)))
-                               BNX2X_ERR("START/STOP packet while disable_tpa type %x\n",
+                               BNX2X_ERR("START/STOP packet while TPA disabled, type %x\n",
                                          CQE_TYPE(cqe_fp_type));
 #endif
 
@@ -1396,7 +1396,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp)
                DP(NETIF_MSG_IFUP,
                   "mtu %d  rx_buf_size %d\n", bp->dev->mtu, fp->rx_buf_size);
 
-               if (!fp->disable_tpa) {
+               if (fp->mode != TPA_MODE_DISABLED) {
                        /* Fill the per-aggregation pool */
                        for (i = 0; i < MAX_AGG_QS(bp); i++) {
                                struct bnx2x_agg_info *tpa_info =
@@ -1410,7 +1410,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp)
                                        BNX2X_ERR("Failed to allocate TPA skb pool for queue[%d] - disabling TPA on this queue!\n",
                                                  j);
                                        bnx2x_free_tpa_pool(bp, fp, i);
-                                       fp->disable_tpa = 1;
+                                       fp->mode = TPA_MODE_DISABLED;
                                        break;
                                }
                                dma_unmap_addr_set(first_buf, mapping, 0);
@@ -1438,7 +1438,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp)
                                                                ring_prod);
                                        bnx2x_free_tpa_pool(bp, fp,
                                                            MAX_AGG_QS(bp));
-                                       fp->disable_tpa = 1;
+                                       fp->mode = TPA_MODE_DISABLED;
                                        ring_prod = 0;
                                        break;
                                }
@@ -1560,7 +1560,7 @@ static void bnx2x_free_rx_skbs(struct bnx2x *bp)
 
                bnx2x_free_rx_bds(fp);
 
-               if (!fp->disable_tpa)
+               if (fp->mode != TPA_MODE_DISABLED)
                        bnx2x_free_tpa_pool(bp, fp, MAX_AGG_QS(bp));
        }
 }
@@ -2477,19 +2477,19 @@ static void bnx2x_bz_fp(struct bnx2x *bp, int index)
        /* set the tpa flag for each queue. The tpa flag determines the queue
         * minimal size so it must be set prior to queue memory allocation
         */
-       fp->disable_tpa = !(bp->flags & TPA_ENABLE_FLAG ||
-                                 (bp->flags & GRO_ENABLE_FLAG &&
-                                  bnx2x_mtu_allows_gro(bp->dev->mtu)));
        if (bp->flags & TPA_ENABLE_FLAG)
                fp->mode = TPA_MODE_LRO;
-       else if (bp->flags & GRO_ENABLE_FLAG)
+       else if (bp->flags & GRO_ENABLE_FLAG &&
+                bnx2x_mtu_allows_gro(bp->dev->mtu))
                fp->mode = TPA_MODE_GRO;
+       else
+               fp->mode = TPA_MODE_DISABLED;
 
        /* We don't want TPA if it's disabled in bp
         * or if this is an FCoE L2 ring.
         */
        if (bp->disable_tpa || IS_FCOE_FP(fp))
-               fp->disable_tpa = 1;
+               fp->mode = TPA_MODE_DISABLED;
 }
 
 int bnx2x_load_cnic(struct bnx2x *bp)
@@ -2610,7 +2610,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
        /*
         * Zero fastpath structures preserving invariants like napi, which are
         * allocated only once, fp index, max_cos, bp pointer.
-        * Also set fp->disable_tpa and txdata_ptr.
+        * Also set fp->mode and txdata_ptr.
         */
        DP(NETIF_MSG_IFUP, "num queues: %d", bp->num_queues);
        for_each_queue(bp, i)
@@ -4545,7 +4545,7 @@ alloc_mem_err:
         * In these cases we disable the queue
         * Min size is different for OOO, TPA and non-TPA queues
         */
-       if (ring_size < (fp->disable_tpa ?
+       if (ring_size < (fp->mode == TPA_MODE_DISABLED ?
                                MIN_RX_SIZE_NONTPA : MIN_RX_SIZE_TPA)) {
                        /* release memory allocated for this queue */
                        bnx2x_free_fp_mem_at(bp, index);

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index adcacda..d7a7175 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -969,7 +969,7 @@ static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
 {
        int i;
 
-       if (fp->disable_tpa)
+       if (fp->mode == TPA_MODE_DISABLED)
                return;
 
        for (i = 0; i < last; i++)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 2d067c9..64ea5ad 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -3128,7 +3128,7 @@ static unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
                __set_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI, &flags);
        }
 
-       if (!fp->disable_tpa) {
+       if (fp->mode != TPA_MODE_DISABLED) {
                __set_bit(BNX2X_Q_FLG_TPA, &flags);
                __set_bit(BNX2X_Q_FLG_TPA_IPV6, &flags);
                if (fp->mode == TPA_MODE_GRO)
@@ -3176,7 +3176,7 @@ static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
        u16 sge_sz = 0;
        u16 tpa_agg_size = 0;
 
-       if (!fp->disable_tpa) {
+       if (fp->mode != TPA_MODE_DISABLED) {
                pause->sge_th_lo = SGE_TH_LO(bp);
                pause->sge_th_hi = SGE_TH_HI(bp);
 

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
index 15b2d16..06b8c0d 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
@@ -594,7 +594,7 @@ int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
        bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req));
 
        /* select tpa mode to request */
-       if (!fp->disable_tpa) {
+       if (fp->mode != TPA_MODE_DISABLED) {
                flags |= VFPF_QUEUE_FLG_TPA;
                flags |= VFPF_QUEUE_FLG_TPA_IPV6;
                if (fp->mode == TPA_MODE_GRO)