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path: root/drivers/net/qla3xxx.c
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Diffstat (limited to 'drivers/net/qla3xxx.c')
-rwxr-xr-xdrivers/net/qla3xxx.c71
1 files changed, 30 insertions, 41 deletions
diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index 9952e3931e34..6612936306d7 100755
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -1691,6 +1691,27 @@ static int ql_populate_free_queue(struct ql3_adapter *qdev)
1691/* 1691/*
1692 * Caller holds hw_lock. 1692 * Caller holds hw_lock.
1693 */ 1693 */
1694static void ql_update_small_bufq_prod_index(struct ql3_adapter *qdev)
1695{
1696 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1697 if (qdev->small_buf_release_cnt >= 16) {
1698 while (qdev->small_buf_release_cnt >= 16) {
1699 qdev->small_buf_q_producer_index++;
1700
1701 if (qdev->small_buf_q_producer_index ==
1702 NUM_SBUFQ_ENTRIES)
1703 qdev->small_buf_q_producer_index = 0;
1704 qdev->small_buf_release_cnt -= 8;
1705 }
1706 wmb();
1707 writel(qdev->small_buf_q_producer_index,
1708 &port_regs->CommonRegs.rxSmallQProducerIndex);
1709 }
1710}
1711
1712/*
1713 * Caller holds hw_lock.
1714 */
1694static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev) 1715static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev)
1695{ 1716{
1696 struct bufq_addr_element *lrg_buf_q_ele; 1717 struct bufq_addr_element *lrg_buf_q_ele;
@@ -1732,13 +1753,10 @@ static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev)
1732 lrg_buf_q_ele = qdev->lrg_buf_q_virt_addr; 1753 lrg_buf_q_ele = qdev->lrg_buf_q_virt_addr;
1733 } 1754 }
1734 } 1755 }
1735 1756 wmb();
1736 qdev->lrg_buf_next_free = lrg_buf_q_ele; 1757 qdev->lrg_buf_next_free = lrg_buf_q_ele;
1737 1758 writel(qdev->lrg_buf_q_producer_index,
1738 ql_write_common_reg(qdev, 1759 &port_regs->CommonRegs.rxLargeQProducerIndex);
1739 &port_regs->CommonRegs.
1740 rxLargeQProducerIndex,
1741 qdev->lrg_buf_q_producer_index);
1742 } 1760 }
1743} 1761}
1744 1762
@@ -1944,16 +1962,12 @@ static void ql_process_macip_rx_intr(struct ql3_adapter *qdev,
1944static int ql_tx_rx_clean(struct ql3_adapter *qdev, 1962static int ql_tx_rx_clean(struct ql3_adapter *qdev,
1945 int *tx_cleaned, int *rx_cleaned, int work_to_do) 1963 int *tx_cleaned, int *rx_cleaned, int work_to_do)
1946{ 1964{
1947 struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
1948 struct net_rsp_iocb *net_rsp; 1965 struct net_rsp_iocb *net_rsp;
1949 struct net_device *ndev = qdev->ndev; 1966 struct net_device *ndev = qdev->ndev;
1950 unsigned long hw_flags;
1951 int work_done = 0; 1967 int work_done = 0;
1952 1968
1953 u32 rsp_producer_index = le32_to_cpu(*(qdev->prsp_producer_index));
1954
1955 /* While there are entries in the completion queue. */ 1969 /* While there are entries in the completion queue. */
1956 while ((rsp_producer_index != 1970 while ((le32_to_cpu(*(qdev->prsp_producer_index)) !=
1957 qdev->rsp_consumer_index) && (work_done < work_to_do)) { 1971 qdev->rsp_consumer_index) && (work_done < work_to_do)) {
1958 1972
1959 net_rsp = qdev->rsp_current; 1973 net_rsp = qdev->rsp_current;
@@ -2009,33 +2023,7 @@ static int ql_tx_rx_clean(struct ql3_adapter *qdev,
2009 work_done = *tx_cleaned + *rx_cleaned; 2023 work_done = *tx_cleaned + *rx_cleaned;
2010 } 2024 }
2011 2025
2012 if(work_done) { 2026 return work_done;
2013 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
2014
2015 ql_update_lrg_bufq_prod_index(qdev);
2016
2017 if (qdev->small_buf_release_cnt >= 16) {
2018 while (qdev->small_buf_release_cnt >= 16) {
2019 qdev->small_buf_q_producer_index++;
2020
2021 if (qdev->small_buf_q_producer_index ==
2022 NUM_SBUFQ_ENTRIES)
2023 qdev->small_buf_q_producer_index = 0;
2024 qdev->small_buf_release_cnt -= 8;
2025 }
2026
2027 wmb();
2028 ql_write_common_reg(qdev,
2029 &port_regs->CommonRegs.
2030 rxSmallQProducerIndex,
2031 qdev->small_buf_q_producer_index);
2032
2033 }
2034
2035 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
2036 }
2037
2038 return *tx_cleaned + *rx_cleaned;
2039} 2027}
2040 2028
2041static int ql_poll(struct net_device *ndev, int *budget) 2029static int ql_poll(struct net_device *ndev, int *budget)
@@ -2059,9 +2047,10 @@ quit_polling:
2059 netif_rx_complete(ndev); 2047 netif_rx_complete(ndev);
2060 2048
2061 spin_lock_irqsave(&qdev->hw_lock, hw_flags); 2049 spin_lock_irqsave(&qdev->hw_lock, hw_flags);
2062 ql_write_common_reg(qdev, 2050 ql_update_small_bufq_prod_index(qdev);
2063 &port_regs->CommonRegs.rspQConsumerIndex, 2051 ql_update_lrg_bufq_prod_index(qdev);
2064 qdev->rsp_consumer_index); 2052 writel(qdev->rsp_consumer_index,
2053 &port_regs->CommonRegs.rspQConsumerIndex);
2065 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); 2054 spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
2066 2055
2067 ql_enable_interrupts(qdev); 2056 ql_enable_interrupts(qdev);