diff options
Diffstat (limited to 'sys/net/if_var.h')
| -rw-r--r-- | sys/net/if_var.h | 44 |
1 files changed, 2 insertions, 42 deletions
diff --git a/sys/net/if_var.h b/sys/net/if_var.h index af83713..09f41b8 100644 --- a/sys/net/if_var.h +++ b/sys/net/if_var.h @@ -120,43 +120,6 @@ typedef int (*if_transmit_fn_t)(if_t, struct mbuf *); typedef uint64_t (*if_get_counter_t)(if_t, ifnet_counter); /* - * Macros defining how to decode the "if_hw_tsomax" field: - */ -#define IF_HW_TSOMAX_GET_BYTES(x) \ - ((uint16_t)(x)) /* 32..65535 */ - -#define IF_HW_TSOMAX_GET_FRAG_COUNT(x) \ - ((uint8_t)((x) >> 16)) /* 1..255 */ - -#define IF_HW_TSOMAX_GET_FRAG_SIZE(x) \ - ((uint8_t)((x) >> 24)) /* 12..16 */ - -/* - * The following macro defines how to build the "if_hw_tsomax" - * field. The "bytes" field has unit 1 bytes and declares the maximum - * number of bytes which can be transferred by a single transmit - * offload, TSO, job. The "bytes" field is rounded down to the neares - * 4 bytes to avoid having the hardware do unaligned memory - * accesses. The "frag_count" field has unit 1 fragment and declares - * the maximum number of fragments a TSO job can contain. The - * "frag_size" field has unit logarithm in base 2 of the actual value - * in bytes and declares the maximum size of a fragment. - */ -#define IF_HW_TSOMAX_BUILD_VALUE(bytes, frag_count, frag_size) \ - (((bytes) & 0xFFFC) | (((frag_count) & 0xFF) << 16) | \ - (((frag_size) & 0xFF) << 24)) - -#define IF_HW_TSOMAX_DEFAULT_BYTES (65536 - 4) -#define IF_HW_TSOMAX_DEFAULT_FRAG_COUNT 255 -#define IF_HW_TSOMAX_DEFAULT_FRAG_SIZE 16 - -#define IF_HW_TSOMAX_DEFAULT_VALUE() \ - IF_HW_TSOMAX_BUILD_VALUE( \ - IF_HW_TSOMAX_DEFAULT_BYTES, \ - IF_HW_TSOMAX_DEFAULT_FRAG_COUNT, \ - IF_HW_TSOMAX_DEFAULT_FRAG_SIZE) - -/* * Structure defining a network interface. * * Size ILP32: 592 (approx) @@ -259,7 +222,8 @@ struct ifnet { if_get_counter_t if_get_counter; /* get counter values */ /* Stuff that's only temporary and doesn't belong here. */ - u_int if_hw_tsomax; /* TSO burst length limits. + u_int if_hw_tsomax; /* tso burst length limit, the minimum + * is (IP_MAXPACKET / 8). * XXXAO: Have to find a better place * for it eventually. */ /* @@ -644,10 +608,6 @@ void if_setioctlfn(if_t ifp, int (*)(if_t, u_long, caddr_t)); void if_setstartfn(if_t ifp, void (*)(if_t)); void if_settransmitfn(if_t ifp, if_transmit_fn_t); void if_setqflushfn(if_t ifp, if_qflush_fn_t); - -/* "if_hw_tsomax" related functions */ -u_int if_hw_tsomax_common(u_int, u_int); -u_int if_hw_tsomax_range_check(u_int); /* Revisit the below. These are inline functions originally */ int drbr_inuse_drv(if_t ifp, struct buf_ring *br); |
