URL https://opencores.org/ocsvn/fade_ether_protocol/fade_ether_protocol/trunk

Subversion Repositories fade_ether_protocol

[/] [fade_ether_protocol/] [trunk/] [stable_jumbo_frames_version/] [linux/] [fpga_l3_fade.c] - Diff between revs 18 and 19

Rev 18	Rev 19
Line 225...	Line 225...
`/* Function used to send the user command and wait for confirmation */`	`/* Function used to send the user command and wait for confirmation */`
`static inline`	`static inline`
`long send_cmd(slave_data * sd, uint16_t cmd, uint32_t arg, void * resp, int nof_retries, int timeout)`	`long send_cmd(slave_data * sd, uint16_t cmd, uint32_t arg, void * resp, int nof_retries, int timeout)`
`{`	`{`
`long result = -ETIMEDOUT;`	`long result = -ETIMEDOUT;`
	`//First check, if the Ethernet device is claimed, otherwise return an error`
	`if(sd->dev==NULL) return -ENODEV;`
`//Each slave may perform only one user command, so first check, if no other thread`	`//Each slave may perform only one user command, so first check, if no other thread`
`//attempts to send the command`	`//attempts to send the command`
`if ( mutex_trylock(&sd->usercmd_lock)==0) return -EBUSY;`	`if ( mutex_trylock(&sd->usercmd_lock)==0) return -EBUSY;`
`//Mutex acquired, we can proceed`	`//Mutex acquired, we can proceed`
`//First allocate the sequence number for the command`	`//First allocate the sequence number for the command`