diff options
Diffstat (limited to 'sys/ofed/include/linux')
-rw-r--r-- | sys/ofed/include/linux/completion.h | 4 | ||||
-rw-r--r-- | sys/ofed/include/linux/etherdevice.h | 2 | ||||
-rw-r--r-- | sys/ofed/include/linux/ethtool.h | 32 | ||||
-rw-r--r-- | sys/ofed/include/linux/inet.h | 32 | ||||
-rw-r--r-- | sys/ofed/include/linux/mlx4/device.h | 2 | ||||
-rw-r--r-- | sys/ofed/include/linux/mlx4/driver.h | 2 | ||||
-rw-r--r-- | sys/ofed/include/linux/mount.h | 34 | ||||
-rw-r--r-- | sys/ofed/include/linux/netdevice.h | 1 | ||||
-rw-r--r-- | sys/ofed/include/linux/scatterlist.h | 227 | ||||
-rw-r--r-- | sys/ofed/include/linux/vmalloc.h | 2 |
10 files changed, 234 insertions, 104 deletions
diff --git a/sys/ofed/include/linux/completion.h b/sys/ofed/include/linux/completion.h index 1ef23ea..df4aec3 100644 --- a/sys/ofed/include/linux/completion.h +++ b/sys/ofed/include/linux/completion.h @@ -27,8 +27,8 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -#ifndef _FBSD_COMPLETION_H_ -#define _FBSD_COMPLETION_H_ +#ifndef _LINUX_COMPLETION_H_ +#define _LINUX_COMPLETION_H_ #include <linux/errno.h> diff --git a/sys/ofed/include/linux/etherdevice.h b/sys/ofed/include/linux/etherdevice.h index 43bc1f2..7d11145 100644 --- a/sys/ofed/include/linux/etherdevice.h +++ b/sys/ofed/include/linux/etherdevice.h @@ -1,4 +1,4 @@ -/* +/*- * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved. * Copyright (c) 2014 Mellanox Technologies, Ltd. All rights reserved. * diff --git a/sys/ofed/include/linux/ethtool.h b/sys/ofed/include/linux/ethtool.h deleted file mode 100644 index 016b1a5..0000000 --- a/sys/ofed/include/linux/ethtool.h +++ /dev/null @@ -1,32 +0,0 @@ -/*- - * Copyright (c) 2010 Isilon Systems, Inc. - * Copyright (c) 2010 iX Systems, Inc. - * Copyright (c) 2010 Panasas, Inc. - * Copyright (c) 2013 Mellanox Technologies, Ltd. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice unmodified, this list of conditions, and the following - * disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#ifndef _LINUX_ETHTOOL_H_ -#define _LINUX_ETHTOOL_H_ - -#endif /* _LINUX_ETHTOOL_H_ */ diff --git a/sys/ofed/include/linux/inet.h b/sys/ofed/include/linux/inet.h deleted file mode 100644 index cca8b60..0000000 --- a/sys/ofed/include/linux/inet.h +++ /dev/null @@ -1,32 +0,0 @@ -/*- - * Copyright (c) 2010 Isilon Systems, Inc. - * Copyright (c) 2010 iX Systems, Inc. - * Copyright (c) 2010 Panasas, Inc. - * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice unmodified, this list of conditions, and the following - * disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _LINUX_INET_H_ -#define _LINUX_INET_H_ -#endif /* _LINUX_INET_H_ */ diff --git a/sys/ofed/include/linux/mlx4/device.h b/sys/ofed/include/linux/mlx4/device.h index a1beedb..b0b5a3d 100644 --- a/sys/ofed/include/linux/mlx4/device.h +++ b/sys/ofed/include/linux/mlx4/device.h @@ -1036,6 +1036,7 @@ enum mlx4_net_trans_rule_id { MLX4_NET_TRANS_RULE_ID_TCP, MLX4_NET_TRANS_RULE_ID_UDP, MLX4_NET_TRANS_RULE_NUM, /* should be last */ + MLX4_NET_TRANS_RULE_DUMMY = -1, /* force enum to be signed */ }; extern const u16 __sw_id_hw[]; @@ -1058,6 +1059,7 @@ enum mlx4_net_trans_promisc_mode { MLX4_FS_UC_SNIFFER, MLX4_FS_MC_SNIFFER, MLX4_FS_MODE_NUM, /* should be last */ + MLX4_FS_MODE_DUMMY = -1, /* force enum to be signed */ }; struct mlx4_spec_eth { diff --git a/sys/ofed/include/linux/mlx4/driver.h b/sys/ofed/include/linux/mlx4/driver.h index 2a7fd21..b090c01 100644 --- a/sys/ofed/include/linux/mlx4/driver.h +++ b/sys/ofed/include/linux/mlx4/driver.h @@ -121,7 +121,7 @@ void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, #ifndef ETH_ALEN #define ETH_ALEN 6 #endif -static inline u64 mlx4_mac_to_u64(u8 *addr) +static inline u64 mlx4_mac_to_u64(const u8 *addr) { u64 mac = 0; int i; diff --git a/sys/ofed/include/linux/mount.h b/sys/ofed/include/linux/mount.h deleted file mode 100644 index a445139..0000000 --- a/sys/ofed/include/linux/mount.h +++ /dev/null @@ -1,34 +0,0 @@ -/*- - * Copyright (c) 2010 Isilon Systems, Inc. - * Copyright (c) 2010 iX Systems, Inc. - * Copyright (c) 2010 Panasas, Inc. - * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice unmodified, this list of conditions, and the following - * disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _LINUX_MOUNT_H_ -#define _LINUX_MOUNT_H_ - - -#endif /* _LINUX_MOUNT_H_ */ diff --git a/sys/ofed/include/linux/netdevice.h b/sys/ofed/include/linux/netdevice.h index f6165f5..a18070e 100644 --- a/sys/ofed/include/linux/netdevice.h +++ b/sys/ofed/include/linux/netdevice.h @@ -40,7 +40,6 @@ #include <linux/completion.h> #include <linux/device.h> -#include <linux/ethtool.h> #include <linux/workqueue.h> #include <linux/net.h> #include <linux/notifier.h> diff --git a/sys/ofed/include/linux/scatterlist.h b/sys/ofed/include/linux/scatterlist.h index eada862..595e2e9 100644 --- a/sys/ofed/include/linux/scatterlist.h +++ b/sys/ofed/include/linux/scatterlist.h @@ -31,6 +31,21 @@ #define _LINUX_SCATTERLIST_H_ #include <linux/page.h> +#include <linux/slab.h> + +/* + * SG table design. + * + * If flags bit 0 is set, then the sg field contains a pointer to the next sg + * table list. Otherwise the next entry is at sg + 1, can be determined using + * the sg_is_chain() function. + * + * If flags bit 1 is set, then this sg entry is the last element in a list, + * can be determined using the sg_is_last() function. + * + * See sg_next(). + * + */ struct scatterlist { union { @@ -49,6 +64,12 @@ struct sg_table { unsigned int orig_nents; /* original size of list */ }; +/* + * Maximum number of entries that will be allocated in one piece, if + * a list larger than this is required then chaining will be utilized. + */ +#define SG_MAX_SINGLE_ALLOC (PAGE_SIZE / sizeof(struct scatterlist)) + #define sg_dma_address(sg) (sg)->address #define sg_dma_len(sg) (sg)->length #define sg_page(sg) (sg)->sl_un.page @@ -99,6 +120,212 @@ sg_phys(struct scatterlist *sg) return sg_page(sg)->phys_addr + sg->offset; } +/** + * sg_chain - Chain two sglists together + * @prv: First scatterlist + * @prv_nents: Number of entries in prv + * @sgl: Second scatterlist + * + * Description: + * Links @prv@ and @sgl@ together, to form a longer scatterlist. + * + **/ +static inline void +sg_chain(struct scatterlist *prv, unsigned int prv_nents, + struct scatterlist *sgl) +{ +/* + * offset and length are unused for chain entry. Clear them. + */ + struct scatterlist *sg = &prv[prv_nents - 1]; + + sg->offset = 0; + sg->length = 0; + + /* + * Indicate a link pointer, and set the link to the second list. + */ + sg->flags = SG_CHAIN; + sg->sl_un.sg = sgl; +} + +/** + * sg_mark_end - Mark the end of the scatterlist + * @sg: SG entryScatterlist + * + * Description: + * Marks the passed in sg entry as the termination point for the sg + * table. A call to sg_next() on this entry will return NULL. + * + **/ +static inline void sg_mark_end(struct scatterlist *sg) +{ + sg->flags = SG_END; +} + +/** + * __sg_free_table - Free a previously mapped sg table + * @table: The sg table header to use + * @max_ents: The maximum number of entries per single scatterlist + * + * Description: + * Free an sg table previously allocated and setup with + * __sg_alloc_table(). The @max_ents value must be identical to + * that previously used with __sg_alloc_table(). + * + **/ +static inline void +__sg_free_table(struct sg_table *table, unsigned int max_ents) +{ + struct scatterlist *sgl, *next; + + if (unlikely(!table->sgl)) + return; + + sgl = table->sgl; + while (table->orig_nents) { + unsigned int alloc_size = table->orig_nents; + unsigned int sg_size; + + /* + * If we have more than max_ents segments left, + * then assign 'next' to the sg table after the current one. + * sg_size is then one less than alloc size, since the last + * element is the chain pointer. + */ + if (alloc_size > max_ents) { + next = sgl[max_ents - 1].sl_un.sg; + alloc_size = max_ents; + sg_size = alloc_size - 1; + } else { + sg_size = alloc_size; + next = NULL; + } + + table->orig_nents -= sg_size; + kfree(sgl); + sgl = next; + } + + table->sgl = NULL; +} + +/** + * sg_free_table - Free a previously allocated sg table + * @table: The mapped sg table header + * + **/ +static inline void +sg_free_table(struct sg_table *table) +{ + __sg_free_table(table, SG_MAX_SINGLE_ALLOC); +} + +/** + * __sg_alloc_table - Allocate and initialize an sg table with given allocator + * @table: The sg table header to use + * @nents: Number of entries in sg list + * @max_ents: The maximum number of entries the allocator returns per call + * @gfp_mask: GFP allocation mask + * + * Description: + * This function returns a @table @nents long. The allocator is + * defined to return scatterlist chunks of maximum size @max_ents. + * Thus if @nents is bigger than @max_ents, the scatterlists will be + * chained in units of @max_ents. + * + * Notes: + * If this function returns non-0 (eg failure), the caller must call + * __sg_free_table() to cleanup any leftover allocations. + * + **/ +static inline int +__sg_alloc_table(struct sg_table *table, unsigned int nents, + unsigned int max_ents, gfp_t gfp_mask) +{ + struct scatterlist *sg, *prv; + unsigned int left; + + memset(table, 0, sizeof(*table)); + + if (nents == 0) + return -EINVAL; + left = nents; + prv = NULL; + do { + unsigned int sg_size, alloc_size = left; + + if (alloc_size > max_ents) { + alloc_size = max_ents; + sg_size = alloc_size - 1; + } else + sg_size = alloc_size; + + left -= sg_size; + + sg = kmalloc(alloc_size * sizeof(struct scatterlist), gfp_mask); + if (unlikely(!sg)) { + /* + * Adjust entry count to reflect that the last + * entry of the previous table won't be used for + * linkage. Without this, sg_kfree() may get + * confused. + */ + if (prv) + table->nents = ++table->orig_nents; + + return -ENOMEM; + } + + sg_init_table(sg, alloc_size); + table->nents = table->orig_nents += sg_size; + + /* + * If this is the first mapping, assign the sg table header. + * If this is not the first mapping, chain previous part. + */ + if (prv) + sg_chain(prv, max_ents, sg); + else + table->sgl = sg; + + /* + * If no more entries after this one, mark the end + */ + if (!left) + sg_mark_end(&sg[sg_size - 1]); + + prv = sg; + } while (left); + + return 0; +} + +/** + * sg_alloc_table - Allocate and initialize an sg table + * @table: The sg table header to use + * @nents: Number of entries in sg list + * @gfp_mask: GFP allocation mask + * + * Description: + * Allocate and initialize an sg table. If @nents@ is larger than + * SG_MAX_SINGLE_ALLOC a chained sg table will be setup. + * + **/ + +static inline int +sg_alloc_table(struct sg_table *table, unsigned int nents, gfp_t gfp_mask) +{ + int ret; + + ret = __sg_alloc_table(table, nents, SG_MAX_SINGLE_ALLOC, + gfp_mask); + if (unlikely(ret)) + __sg_free_table(table, SG_MAX_SINGLE_ALLOC); + + return ret; +} + #define for_each_sg(sglist, sg, sgmax, _itr) \ for (_itr = 0, sg = (sglist); _itr < (sgmax); _itr++, sg = sg_next(sg)) diff --git a/sys/ofed/include/linux/vmalloc.h b/sys/ofed/include/linux/vmalloc.h index 1cb208ba..2629d38 100644 --- a/sys/ofed/include/linux/vmalloc.h +++ b/sys/ofed/include/linux/vmalloc.h @@ -30,7 +30,7 @@ #ifndef _LINUX_VMALLOC_H_ #define _LINUX_VMALLOC_H_ -#include <asm/page.h> +#include <linux/page.h> #define VM_MAP 0x0000 #define PAGE_KERNEL 0x0000 |