/* * Shared Memory Communications over RDMA (SMC-R) and RoCE * * Definitions for IB environment * * Copyright IBM Corp. 2016 * * Author(s): Ursula Braun */ #ifndef _SMC_IB_H #define _SMC_IB_H #include #define SMC_MAX_PORTS 2 /* Max # of ports */ #define SMC_GID_SIZE sizeof(union ib_gid) #define SMC_IB_MAX_SEND_SGE 2 struct smc_ib_devices { /* list of smc ib devices definition */ struct list_head list; spinlock_t lock; /* protects list of smc ib devices */ }; extern struct smc_ib_devices smc_ib_devices; /* list of smc ib devices */ struct smc_ib_device { /* ib-device infos for smc */ struct list_head list; struct ib_device *ibdev; struct ib_port_attr pattr[SMC_MAX_PORTS]; /* ib dev. port attrs */ struct ib_cq *roce_cq_send; /* send completion queue */ struct ib_cq *roce_cq_recv; /* recv completion queue */ struct tasklet_struct send_tasklet; /* called by send cq handler */ struct tasklet_struct recv_tasklet; /* called by recv cq handler */ char mac[SMC_MAX_PORTS][6]; /* mac address per port*/ union ib_gid gid[SMC_MAX_PORTS]; /* gid per port */ u8 initialized : 1; /* ib dev CQ, evthdl done */ }; struct smc_buf_desc; struct smc_link; int smc_ib_register_client(void) __init; void smc_ib_unregister_client(void); bool smc_ib_port_active(struct smc_ib_device *smcibdev, u8 ibport); int smc_ib_remember_port_attr(struct smc_ib_device *smcibdev, u8 ibport); int smc_ib_buf_map(struct smc_ib_device *smcibdev, int buf_size, struct smc_buf_desc *buf_slot, enum dma_data_direction data_direction); void smc_ib_dealloc_protection_domain(struct smc_link *lnk); int smc_ib_create_protection_domain(struct smc_link *lnk); void smc_ib_destroy_queue_pair(struct smc_link *lnk); int smc_ib_create_queue_pair(struct smc_link *lnk); #endif logtreecommitdiff
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authorFlorian Fainelli <f.fainelli@gmail.com>2016-07-15 15:42:52 -0700
committerDavid S. Miller <davem@davemloft.net>2016-07-15 16:03:47 -0700
commite86663c475d384ab5f46cb5637e9b7ad08c5c505 (patch)
tree73991452764e36e6e42e149141ec1680bff58f39 /Documentation/w1/masters
parentf57ec1889f5e830e93723d1262fd9c73703d531d (diff)
net: bgmac: Fix infinite loop in bgmac_dma_tx_add()
Nothing is decrementing the index "i" while we are cleaning up the fragments we could not successful transmit. Fixes: 9cde94506eacf ("bgmac: implement scatter/gather support") Reported-by: coverity (CID 1352048) Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/w1/masters')