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-rw-r--r--drivers/net/ixgbe/ixgbe.h2
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c33
2 files changed, 19 insertions, 16 deletions
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index e11d83d5852b..2c4dc8221dcd 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -136,6 +136,8 @@ struct ixgbe_ring {
136 136
137 u8 queue_index; /* needed for multiqueue queue management */ 137 u8 queue_index; /* needed for multiqueue queue management */
138 138
139#define IXGBE_RING_RX_PS_ENABLED (u8)(1)
140 u8 flags; /* per ring feature flags */
139 u16 head; 141 u16 head;
140 u16 tail; 142 u16 tail;
141 143
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index e361b7f01019..e3cb949b9aa9 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -585,7 +585,7 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
585 rx_desc = IXGBE_RX_DESC_ADV(*rx_ring, i); 585 rx_desc = IXGBE_RX_DESC_ADV(*rx_ring, i);
586 586
587 if (!bi->page_dma && 587 if (!bi->page_dma &&
588 (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED)) { 588 (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED)) {
589 if (!bi->page) { 589 if (!bi->page) {
590 bi->page = alloc_page(GFP_ATOMIC); 590 bi->page = alloc_page(GFP_ATOMIC);
591 if (!bi->page) { 591 if (!bi->page) {
@@ -629,7 +629,7 @@ static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
629 } 629 }
630 /* Refresh the desc even if buffer_addrs didn't change because 630 /* Refresh the desc even if buffer_addrs didn't change because
631 * each write-back erases this info. */ 631 * each write-back erases this info. */
632 if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) { 632 if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
633 rx_desc->read.pkt_addr = cpu_to_le64(bi->page_dma); 633 rx_desc->read.pkt_addr = cpu_to_le64(bi->page_dma);
634 rx_desc->read.hdr_addr = cpu_to_le64(bi->dma); 634 rx_desc->read.hdr_addr = cpu_to_le64(bi->dma);
635 } else { 635 } else {
@@ -726,7 +726,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
726 break; 726 break;
727 (*work_done)++; 727 (*work_done)++;
728 728
729 if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) { 729 if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
730 hdr_info = le16_to_cpu(ixgbe_get_hdr_info(rx_desc)); 730 hdr_info = le16_to_cpu(ixgbe_get_hdr_info(rx_desc));
731 len = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >> 731 len = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >>
732 IXGBE_RXDADV_HDRBUFLEN_SHIFT; 732 IXGBE_RXDADV_HDRBUFLEN_SHIFT;
@@ -798,7 +798,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
798 rx_ring->stats.packets++; 798 rx_ring->stats.packets++;
799 rx_ring->stats.bytes += skb->len; 799 rx_ring->stats.bytes += skb->len;
800 } else { 800 } else {
801 if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) { 801 if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
802 rx_buffer_info->skb = next_buffer->skb; 802 rx_buffer_info->skb = next_buffer->skb;
803 rx_buffer_info->dma = next_buffer->dma; 803 rx_buffer_info->dma = next_buffer->dma;
804 next_buffer->skb = skb; 804 next_buffer->skb = skb;
@@ -1919,7 +1919,7 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter,
1919 srrctl |= (IXGBE_RX_HDR_SIZE << IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) & 1919 srrctl |= (IXGBE_RX_HDR_SIZE << IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
1920 IXGBE_SRRCTL_BSIZEHDR_MASK; 1920 IXGBE_SRRCTL_BSIZEHDR_MASK;
1921 1921
1922 if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) { 1922 if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
1923#if (PAGE_SIZE / 2) > IXGBE_MAX_RXBUFFER 1923#if (PAGE_SIZE / 2) > IXGBE_MAX_RXBUFFER
1924 srrctl |= IXGBE_MAX_RXBUFFER >> IXGBE_SRRCTL_BSIZEPKT_SHIFT; 1924 srrctl |= IXGBE_MAX_RXBUFFER >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
1925#else 1925#else
@@ -1992,11 +1992,6 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
1992 /* Decide whether to use packet split mode or not */ 1992 /* Decide whether to use packet split mode or not */
1993 adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED; 1993 adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED;
1994 1994
1995#ifdef IXGBE_FCOE
1996 if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
1997 adapter->flags &= ~IXGBE_FLAG_RX_PS_ENABLED;
1998#endif /* IXGBE_FCOE */
1999
2000 /* Set the RX buffer length according to the mode */ 1995 /* Set the RX buffer length according to the mode */
2001 if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) { 1996 if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
2002 rx_buf_len = IXGBE_RX_HDR_SIZE; 1997 rx_buf_len = IXGBE_RX_HDR_SIZE;
@@ -2056,14 +2051,19 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
2056 rx_ring->tail = IXGBE_RDT(j); 2051 rx_ring->tail = IXGBE_RDT(j);
2057 rx_ring->rx_buf_len = rx_buf_len; 2052 rx_ring->rx_buf_len = rx_buf_len;
2058 2053
2054 if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED)
2055 rx_ring->flags |= IXGBE_RING_RX_PS_ENABLED;
2056
2059#ifdef IXGBE_FCOE 2057#ifdef IXGBE_FCOE
2060 if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) { 2058 if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
2061 struct ixgbe_ring_feature *f; 2059 struct ixgbe_ring_feature *f;
2062 f = &adapter->ring_feature[RING_F_FCOE]; 2060 f = &adapter->ring_feature[RING_F_FCOE];
2063 if ((rx_buf_len < IXGBE_FCOE_JUMBO_FRAME_SIZE) && 2061 if ((i >= f->mask) && (i < f->mask + f->indices)) {
2064 (i >= f->mask) && (i < f->mask + f->indices)) 2062 rx_ring->flags &= ~IXGBE_RING_RX_PS_ENABLED;
2065 rx_ring->rx_buf_len = 2063 if (rx_buf_len < IXGBE_FCOE_JUMBO_FRAME_SIZE)
2066 IXGBE_FCOE_JUMBO_FRAME_SIZE; 2064 rx_ring->rx_buf_len =
2065 IXGBE_FCOE_JUMBO_FRAME_SIZE;
2066 }
2067 } 2067 }
2068 2068
2069#endif /* IXGBE_FCOE */ 2069#endif /* IXGBE_FCOE */
@@ -2143,7 +2143,8 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
2143 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) { 2143 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2144 /* Enable 82599 HW-RSC */ 2144 /* Enable 82599 HW-RSC */
2145 for (i = 0; i < adapter->num_rx_queues; i++) { 2145 for (i = 0; i < adapter->num_rx_queues; i++) {
2146 j = adapter->rx_ring[i].reg_idx; 2146 rx_ring = &adapter->rx_ring[i];
2147 j = rx_ring->reg_idx;
2147 rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j)); 2148 rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j));
2148 rscctrl |= IXGBE_RSCCTL_RSCEN; 2149 rscctrl |= IXGBE_RSCCTL_RSCEN;
2149 /* 2150 /*
@@ -2151,7 +2152,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
2151 * total size of max desc * buf_len is not greater 2152 * total size of max desc * buf_len is not greater
2152 * than 65535 2153 * than 65535
2153 */ 2154 */
2154 if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) { 2155 if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
2155#if (MAX_SKB_FRAGS > 16) 2156#if (MAX_SKB_FRAGS > 16)
2156 rscctrl |= IXGBE_RSCCTL_MAXDESC_16; 2157 rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
2157#elif (MAX_SKB_FRAGS > 8) 2158#elif (MAX_SKB_FRAGS > 8)