Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[firefly-linux-kernel-4.4.55.git] / drivers / net / ethernet / stmicro / stmmac / descs_com.h

diff --git a/drivers/net/ethernet/stmicro/stmmac/descs_com.h b/drivers/net/ethernet/stmicro/stmmac/descs_com.h
index 7ee9499a6e385a77b9b2110b9578750e767745ab..6f2cc78c5cf513ddcf8abc6e9094725a1ebfe977 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/descs_com.h
+++ b/drivers/net/ethernet/stmicro/stmmac/descs_com.h
@@ -30,26 +30,28 @@
 #ifndef __DESC_COM_H__
 #define __DESC_COM_H__
 
-#if defined(CONFIG_STMMAC_RING)
-static inline void ehn_desc_rx_set_on_ring_chain(struct dma_desc *p, int end)
+/* Specific functions used for Ring mode */
+
+/* Enhanced descriptors */
+static inline void ehn_desc_rx_set_on_ring(struct dma_desc *p, int end)
 {
        p->des01.erx.buffer2_size = BUF_SIZE_8KiB - 1;
        if (end)
                p->des01.erx.end_ring = 1;
 }
 
-static inline void ehn_desc_tx_set_on_ring_chain(struct dma_desc *p, int end)
+static inline void ehn_desc_tx_set_on_ring(struct dma_desc *p, int end)
 {
        if (end)
                p->des01.etx.end_ring = 1;
 }
 
-static inline void enh_desc_end_tx_desc(struct dma_desc *p, int ter)
+static inline void enh_desc_end_tx_desc_on_ring(struct dma_desc *p, int ter)
 {
        p->des01.etx.end_ring = ter;
 }
 
-static inline void enh_set_tx_desc_len(struct dma_desc *p, int len)
+static inline void enh_set_tx_desc_len_on_ring(struct dma_desc *p, int len)
 {
        if (unlikely(len > BUF_SIZE_4KiB)) {
                p->des01.etx.buffer1_size = BUF_SIZE_4KiB;
@@ -58,25 +60,26 @@ static inline void enh_set_tx_desc_len(struct dma_desc *p, int len)
                p->des01.etx.buffer1_size = len;
 }
 
-static inline void ndesc_rx_set_on_ring_chain(struct dma_desc *p, int end)
+/* Normal descriptors */
+static inline void ndesc_rx_set_on_ring(struct dma_desc *p, int end)
 {
        p->des01.rx.buffer2_size = BUF_SIZE_2KiB - 1;
        if (end)
                p->des01.rx.end_ring = 1;
 }
 
-static inline void ndesc_tx_set_on_ring_chain(struct dma_desc *p, int end)
+static inline void ndesc_tx_set_on_ring(struct dma_desc *p, int end)
 {
        if (end)
                p->des01.tx.end_ring = 1;
 }
 
-static inline void ndesc_end_tx_desc(struct dma_desc *p, int ter)
+static inline void ndesc_end_tx_desc_on_ring(struct dma_desc *p, int ter)
 {
        p->des01.tx.end_ring = ter;
 }
 
-static inline void norm_set_tx_desc_len(struct dma_desc *p, int len)
+static inline void norm_set_tx_desc_len_on_ring(struct dma_desc *p, int len)
 {
        if (unlikely(len > BUF_SIZE_2KiB)) {
                p->des01.etx.buffer1_size = BUF_SIZE_2KiB - 1;
@@ -85,47 +88,47 @@ static inline void norm_set_tx_desc_len(struct dma_desc *p, int len)
                p->des01.tx.buffer1_size = len;
 }
 
-#else
+/* Specific functions used for Chain mode */
 
-static inline void ehn_desc_rx_set_on_ring_chain(struct dma_desc *p, int end)
+/* Enhanced descriptors */
+static inline void ehn_desc_rx_set_on_chain(struct dma_desc *p, int end)
 {
        p->des01.erx.second_address_chained = 1;
 }
 
-static inline void ehn_desc_tx_set_on_ring_chain(struct dma_desc *p, int end)
+static inline void ehn_desc_tx_set_on_chain(struct dma_desc *p, int end)
 {
        p->des01.etx.second_address_chained = 1;
 }
 
-static inline void enh_desc_end_tx_desc(struct dma_desc *p, int ter)
+static inline void enh_desc_end_tx_desc_on_chain(struct dma_desc *p, int ter)
 {
        p->des01.etx.second_address_chained = 1;
 }
 
-static inline void enh_set_tx_desc_len(struct dma_desc *p, int len)
+static inline void enh_set_tx_desc_len_on_chain(struct dma_desc *p, int len)
 {
        p->des01.etx.buffer1_size = len;
 }
 
-static inline void ndesc_rx_set_on_ring_chain(struct dma_desc *p, int end)
+/* Normal descriptors */
+static inline void ndesc_rx_set_on_chain(struct dma_desc *p, int end)
 {
        p->des01.rx.second_address_chained = 1;
 }
 
-static inline void ndesc_tx_set_on_ring_chain(struct dma_desc *p, int ring_size)
+static inline void ndesc_tx_set_on_chain(struct dma_desc *p, int ring_size)
 {
        p->des01.tx.second_address_chained = 1;
 }
 
-static inline void ndesc_end_tx_desc(struct dma_desc *p, int ter)
+static inline void ndesc_end_tx_desc_on_chain(struct dma_desc *p, int ter)
 {
        p->des01.tx.second_address_chained = 1;
 }
 
-static inline void norm_set_tx_desc_len(struct dma_desc *p, int len)
+static inline void norm_set_tx_desc_len_on_chain(struct dma_desc *p, int len)
 {
        p->des01.tx.buffer1_size = len;
 }
-#endif
-
 #endif /* __DESC_COM_H__ */