staging/octeon/ethernet-mem.c

17  * cvm_oct_fill_hw_skbuff - fill the supplied hardware pool with skbuffs
18  * @pool:     Pool to allocate an skbuff for
19  * @size:     Size of the buffer needed for the pool
24 static int cvm_oct_fill_hw_skbuff(int pool, int size, int elements)
35 		cvmx_fpa_free(skb->data, pool, size / 128);
42  * cvm_oct_free_hw_skbuff- free hardware pool skbuffs
43  * @pool:     Pool to allocate an skbuff for
44  * @size:     Size of the buffer needed for the pool
47 static void cvm_oct_free_hw_skbuff(int pool, int size, int elements)
52 		memory = cvmx_fpa_alloc(pool);
62 		pr_warn("Freeing of pool %u had too many skbuffs (%d)\n",
63 			pool, elements);
65 		pr_warn("Freeing of pool %u is missing %d skbuffs\n",
66 			pool, elements);
70  * cvm_oct_fill_hw_memory - fill a hardware pool with memory.
71  * @pool:     Pool to populate
72  * @size:     Size of each buffer in the pool
77 static int cvm_oct_fill_hw_memory(int pool, int size, int elements)
96 			pr_warn("Unable to allocate %u bytes for FPA pool %d\n",
97 				elements * size, pool);
102 		cvmx_fpa_free(fpa, pool, 0);
110  * @pool:     FPA pool to free
111  * @size:     Size of each buffer in the pool
112  * @elements: Number of buffers that should be in the pool
114 static void cvm_oct_free_hw_memory(int pool, int size, int elements)
120 		fpa = cvmx_fpa_alloc(pool);
130 		pr_warn("Freeing of pool %u had too many buffers (%d)\n",
131 			pool, elements);
133 		pr_warn("Warning: Freeing of pool %u is missing %d buffers\n",
134 			pool, elements);
137 int cvm_oct_mem_fill_fpa(int pool, int size, int elements)
141 	if (pool == CVMX_FPA_PACKET_POOL)
142 		freed = cvm_oct_fill_hw_skbuff(pool, size, elements);
144 		freed = cvm_oct_fill_hw_memory(pool, size, elements);
148 void cvm_oct_mem_empty_fpa(int pool, int size, int elements)
150 	if (pool == CVMX_FPA_PACKET_POOL)
151 		cvm_oct_free_hw_skbuff(pool, size, elements);
153 		cvm_oct_free_hw_memory(pool, size, elements);