cxgb3 - sge page management

[firefly-linux-kernel-4.4.55.git] / drivers / net / cxgb3 / adapter.h

diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 80c3d8f268a7091edce2bd01f05174b1fc065afc..ab72563b81ee569ce7f9a139203762dcc5598314 100644 (file)
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -71,27 +71,29 @@ enum {                              /* adapter flags */
        QUEUES_BOUND = (1 << 3),
 };
 
+struct fl_pg_chunk {
+       struct page *page;
+       void *va;
+       unsigned int offset;
+};
+
 struct rx_desc;
 struct rx_sw_desc;
 
-struct sge_fl_page {
-       struct skb_frag_struct frag;
-       unsigned char *va;
-};
-
-struct sge_fl {                        /* SGE per free-buffer list state */
-       unsigned int buf_size;  /* size of each Rx buffer */
-       unsigned int credits;   /* # of available Rx buffers */
-       unsigned int size;      /* capacity of free list */
-       unsigned int cidx;      /* consumer index */
-       unsigned int pidx;      /* producer index */
-       unsigned int gen;       /* free list generation */
-       unsigned int cntxt_id;  /* SGE context id for the free list */
-       struct sge_fl_page page;
-       struct rx_desc *desc;   /* address of HW Rx descriptor ring */
-       struct rx_sw_desc *sdesc;       /* address of SW Rx descriptor ring */
-       dma_addr_t phys_addr;   /* physical address of HW ring start */
-       unsigned long empty;    /* # of times queue ran out of buffers */
+struct sge_fl {                     /* SGE per free-buffer list state */
+       unsigned int buf_size;      /* size of each Rx buffer */
+       unsigned int credits;       /* # of available Rx buffers */
+       unsigned int size;          /* capacity of free list */
+       unsigned int cidx;          /* consumer index */
+       unsigned int pidx;          /* producer index */
+       unsigned int gen;           /* free list generation */
+       struct fl_pg_chunk pg_chunk;/* page chunk cache */
+       unsigned int use_pages;     /* whether FL uses pages or sk_buffs */
+       struct rx_desc *desc;       /* address of HW Rx descriptor ring */
+       struct rx_sw_desc *sdesc;   /* address of SW Rx descriptor ring */
+       dma_addr_t   phys_addr;     /* physical address of HW ring start */
+       unsigned int cntxt_id;      /* SGE context id for the free list */
+       unsigned long empty;        /* # of times queue ran out of buffers */
        unsigned long alloc_failed; /* # of times buffer allocation failed */
 };