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Searched refs:mtu (Results 1 – 25 of 679) sorted by relevance

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/linux/drivers/usb/mtu3/
H A Dmtu3_core.c45 dev_dbg(mep->mtu->dev, "%s fifo:%#x/%#x, start_bit: %d\n", in ep_fifo_alloc()
66 dev_dbg(mep->mtu->dev, "%s size:%#x/%#x, start_bit: %d\n", in ep_fifo_free()
71 static inline void mtu3_ss_func_set(struct mtu3 *mtu, bool enable) in mtu3_ss_func_set() argument
75 mtu3_setbits(mtu->mac_base, U3D_USB3_CONFIG, USB3_EN); in mtu3_ss_func_set()
77 mtu3_clrbits(mtu->mac_base, U3D_USB3_CONFIG, USB3_EN); in mtu3_ss_func_set()
79 dev_dbg(mtu->dev, "USB3_EN = %d\n", !!enable); in mtu3_ss_func_set()
83 static inline void mtu3_hs_softconn_set(struct mtu3 *mtu, bool enable) in mtu3_hs_softconn_set() argument
86 mtu3_setbits(mtu->mac_base, U3D_POWER_MANAGEMENT, in mtu3_hs_softconn_set()
89 mtu3_clrbits(mtu->mac_base, U3D_POWER_MANAGEMENT, in mtu3_hs_softconn_set()
92 dev_dbg(mtu->dev, "SOFTCONN = %d\n", !!enable); in mtu3_hs_softconn_set()
[all …]
H A Dmtu3_gadget_ep0.c18 #define next_ep0_request(mtu) next_request((mtu)->ep0) argument
39 static char *decode_ep0_state(struct mtu3 *mtu) in decode_ep0_state() argument
41 switch (mtu->ep0_state) { in decode_ep0_state()
57 static void ep0_req_giveback(struct mtu3 *mtu, struct usb_request *req) in ep0_req_giveback() argument
59 mtu3_req_complete(mtu->ep0, req, 0); in ep0_req_giveback()
63 forward_to_driver(struct mtu3 *mtu, const struct usb_ctrlrequest *setup) in forward_to_driver() argument
64 __releases(mtu->lock) in forward_to_driver()
65 __acquires(mtu->lock) in forward_to_driver()
69 if (!mtu->gadget_driver || !mtu->async_callbacks) in forward_to_driver()
72 spin_unlock(&mtu->lock); in forward_to_driver()
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H A Dmtu3_qmu.c38 #define GPD_RX_BUF_LEN(mtu, x) \ argument
41 ((mtu)->gen2cp) ? GPD_RX_BUF_LEN_EL(x_) : GPD_RX_BUF_LEN_OG(x_); \
46 #define GPD_DATA_LEN(mtu, x) \ argument
49 ((mtu)->gen2cp) ? GPD_DATA_LEN_EL(x_) : GPD_DATA_LEN_OG(x_); \
57 #define GPD_EXT_NGP(mtu, x) \ argument
60 ((mtu)->gen2cp) ? GPD_EXT_NGP_EL(x_) : GPD_EXT_NGP_OG(x_); \
63 #define GPD_EXT_BUF(mtu, x) \ argument
66 ((mtu)->gen2cp) ? GPD_EXT_BUF_EL(x_) : GPD_EXT_BUF_OG(x_); \
171 gpd = dma_pool_zalloc(mep->mtu->qmu_gpd_pool, GFP_ATOMIC, &ring->dma); in mtu3_gpd_ring_alloc()
184 dma_pool_free(mep->mtu->qmu_gpd_pool, in mtu3_gpd_ring_free()
[all …]
H A Dmtu3.h285 struct mtu3 *mtu; member
308 struct mtu3 *mtu; member
431 int mtu3_config_ep(struct mtu3 *mtu, struct mtu3_ep *mep,
433 void mtu3_deconfig_ep(struct mtu3 *mtu, struct mtu3_ep *mep);
435 void mtu3_start(struct mtu3 *mtu);
436 void mtu3_stop(struct mtu3 *mtu);
437 void mtu3_dev_on_off(struct mtu3 *mtu, int is_on);
439 int mtu3_gadget_setup(struct mtu3 *mtu);
440 void mtu3_gadget_cleanup(struct mtu3 *mtu);
441 void mtu3_gadget_reset(struct mtu3 *mtu);
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/linux/drivers/clocksource/
H A Dsh_mtu2.c33 struct sh_mtu2_device *mtu; member
161 return ioread8(ch->mtu->mapbase + 0x280); in sh_mtu2_read()
177 return iowrite8(value, ch->mtu->mapbase + 0x280); in sh_mtu2_write()
192 raw_spin_lock_irqsave(&ch->mtu->lock, flags); in sh_mtu2_start_stop_ch()
201 raw_spin_unlock_irqrestore(&ch->mtu->lock, flags); in sh_mtu2_start_stop_ch()
210 pm_runtime_get_sync(&ch->mtu->pdev->dev); in sh_mtu2_enable()
211 dev_pm_syscore_device(&ch->mtu->pdev->dev, true); in sh_mtu2_enable()
214 ret = clk_enable(ch->mtu->clk); in sh_mtu2_enable()
216 dev_err(&ch->mtu->pdev->dev, "ch%u: cannot enable clock\n", in sh_mtu2_enable()
224 rate = clk_get_rate(ch->mtu->clk) / 64; in sh_mtu2_enable()
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/linux/tools/testing/selftests/net/
H A Dpmtu.sh204 # addresses have multipath routes to each other, b_r1 mtu = 1500.
1100 mtu() { function
1103 mtu="${3}"
1105 ${ns_cmd} ip link set dev ${dev} mtu ${mtu}
1116 [ "${i}" = "mtu" ] && next=1
1179 mtu "${ns_a}" veth_A-R1 2000
1180 mtu "${ns_r1}" veth_R1-A 2000
1181 mtu "${ns_r1}" veth_R1-B 1400
1182 mtu "
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H A Dfib_nexthop_multiprefix.sh154 local mtu=$2
156 run_cmd ip -netns h${hostid} li set eth0 mtu ${mtu}
157 run_cmd ip -netns ${r1} li set eth${hostid} mtu ${mtu}
166 local mtu=$2
181 echo " cache .* mtu ${mtu}"
186 grep -q "cache .* mtu ${mtu}"
189 log_test $rc 0 "IPv4: host 0 to host ${i}, mtu ${mtu}"
195 local mtu=$2
210 echo " ${dst}.* via ${r1_ip} dev eth0 src ${h0_ip} .* mtu ${mtu}"
215 grep -q "${dst}.* via ${r1_ip} dev eth0 src ${h0_ip} .* mtu ${mtu}"
[all …]
/linux/tools/testing/selftests/net/forwarding/
H A Dipip_lib.sh319 local mtu=$1
321 ip link set mtu $mtu dev $h1
322 ip link set mtu $mtu dev $ol1
323 ip link set mtu $mtu dev g1a
324 ip link set mtu $mtu dev $ul1
325 ip link set mtu $mtu dev $ul1.111
326 ip link set mtu $mtu dev $h2
327 ip link set mtu $mtu dev $ol2
328 ip link set mtu $mtu dev g2a
329 ip link set mtu $mtu dev $ul2
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H A Dmin_max_mtu.sh110 local mtu=$(min_max_mtu_get_if ${NETIFS[p1]} $min_max)
116 if [ $current_mtu -ne $mtu ]; then
125 local mtu=$1; shift
128 mtu_set $dev $mtu 2>/dev/null
129 check_err_fail $should_fail $? "Set MTU $mtu for $dev"
134 local mtu=$1; shift
138 mtu_set_if ${NETIFS[p$i]} $mtu
139 mtu_set_if ${NETIFS[p$i]}.10 $mtu
155 local mtu=$1; shift
160 local pkt_size=$((mtu - ping_headers_len))
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H A Dip6gre_lib.sh411 local mtu=$1
413 ip link set mtu $mtu dev $h1
414 ip link set mtu $mtu dev $ol1
415 ip link set mtu $mtu dev g1a
416 ip link set mtu $mtu dev $ul1
417 ip link set mtu $mtu dev $ul1.111
418 ip link set mtu $mtu dev $h2
419 ip link set mtu $mtu dev $ol2
420 ip link set mtu $mtu dev g2a
421 ip link set mtu $mtu dev $ul2
[all …]
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dcheck_mtu.c18 const char *filename = "/sys/class/net/lo/mtu"; in read_mtu_device_lo()
104 static void test_check_mtu_xdp(__u32 mtu, __u32 ifindex) in test_check_mtu_xdp() argument
114 skel->rodata->GLOBAL_USER_MTU = mtu; in test_check_mtu_xdp()
121 test_check_mtu_run_xdp(skel, skel->progs.xdp_use_helper, mtu); in test_check_mtu_xdp()
122 test_check_mtu_run_xdp(skel, skel->progs.xdp_exceed_mtu, mtu); in test_check_mtu_xdp()
123 test_check_mtu_run_xdp(skel, skel->progs.xdp_minus_delta, mtu); in test_check_mtu_xdp()
124 test_check_mtu_run_xdp(skel, skel->progs.xdp_input_len, mtu); in test_check_mtu_xdp()
125 test_check_mtu_run_xdp(skel, skel->progs.xdp_input_len_exceed, mtu); in test_check_mtu_xdp()
156 static void test_chk_segs_flag(struct test_check_mtu *skel, __u32 mtu)
169 /* Lower the mtu t in test_check_mtu_tc()
157 test_check_mtu_tc(__u32 mtu,__u32 ifindex) test_check_mtu_tc() argument
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/linux/drivers/infiniband/sw/rxe/
H A Drxe_param.h14 static inline enum ib_mtu rxe_mtu_int_to_enum(int mtu) in rxe_mtu_int_to_enum() argument
16 if (mtu < 256) in rxe_mtu_int_to_enum()
18 else if (mtu < 512) in rxe_mtu_int_to_enum()
20 else if (mtu < 1024) in rxe_mtu_int_to_enum()
22 else if (mtu < 2048) in rxe_mtu_int_to_enum()
24 else if (mtu < 4096) in rxe_mtu_int_to_enum()
31 static inline enum ib_mtu eth_mtu_int_to_enum(int mtu) in eth_mtu_int_to_enum() argument
33 mtu -= RXE_MAX_HDR_LENGTH; in eth_mtu_int_to_enum()
35 return rxe_mtu_int_to_enum(mtu); in eth_mtu_int_to_enum()
/linux/net/ipv6/
H A Dxfrm6_output.c19 void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu) in xfrm6_local_rxpmtu() argument
27 ipv6_local_rxpmtu(sk, &fl6, mtu); in xfrm6_local_rxpmtu()
30 void xfrm6_local_error(struct sk_buff *skb, u32 mtu) in xfrm6_local_error() argument
40 ipv6_local_error(sk, EMSGSIZE, &fl6, mtu); in xfrm6_local_error()
65 unsigned int mtu; in __xfrm6_output() local
79 mtu = ip6_skb_dst_mtu(skb); in __xfrm6_output()
81 mtu = dst_mtu(skb_dst(skb)); in __xfrm6_output()
83 toobig = skb->len > mtu && !skb_is_gso(skb); in __xfrm6_output()
86 xfrm6_local_rxpmtu(skb, mtu); in __xfrm6_output()
93 xfrm_local_error(skb, mtu); in __xfrm6_output()
/linux/drivers/pwm/
H A Dpwm-rz-mtu3.c57 struct rz_mtu3_channel *mtu; member
100 *pv_val = rz_mtu3_16bit_ch_read(priv->mtu, reg_pv_offset); in rz_mtu3_pwm_read_tgr_registers()
101 *dc_val = rz_mtu3_16bit_ch_read(priv->mtu, reg_dc_offset); in rz_mtu3_pwm_read_tgr_registers()
108 rz_mtu3_16bit_ch_write(priv->mtu, reg_pv_offset, pv_val); in rz_mtu3_pwm_write_tgr_registers()
109 rz_mtu3_16bit_ch_write(priv->mtu, reg_dc_offset, dc_val); in rz_mtu3_pwm_write_tgr_registers()
153 is_channel_en = rz_mtu3_is_enabled(priv->mtu); in rz_mtu3_pwm_is_ch_enabled()
158 val = rz_mtu3_8bit_ch_read(priv->mtu, RZ_MTU3_TIORH); in rz_mtu3_pwm_is_ch_enabled()
160 val = rz_mtu3_8bit_ch_read(priv->mtu, RZ_MTU3_TIORL); in rz_mtu3_pwm_is_ch_enabled()
182 is_mtu3_channel_available = rz_mtu3_request_channel(priv->mtu); in rz_mtu3_pwm_request()
207 rz_mtu3_release_channel(priv->mtu); in rz_mtu3_pwm_free()
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/linux/net/sched/
H A Dsch_teql.c193 dev->mtu < m->dev->mtu) in teql_qdisc_init()
202 if (dev->mtu < m->dev->mtu) in teql_qdisc_init()
203 m->dev->mtu = dev->mtu; in teql_qdisc_init()
210 m->dev->mtu = dev->mtu; in teql_qdisc_init()
359 int mtu = 0xFFFE; in teql_master_open() local
374 if (slave->mtu < mtu) in teql_master_open()
375 mtu = slave->mtu; in teql_master_open()
391 m->dev->mtu = mtu; in teql_master_open()
422 if (new_mtu > qdisc_dev(q)->mtu) in teql_master_mtu()
427 WRITE_ONCE(dev->mtu, new_mtu); in teql_master_mtu()
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H A Dsch_tbf.c103 s64 mtu; member
294 if (ptoks > q->mtu) in tbf_dequeue()
295 ptoks = q->mtu; in tbf_dequeue()
343 q->ptokens = q->mtu; in tbf_reset()
369 s64 buffer, mtu; in tbf_change()
393 mtu = min_t(u64, PSCHED_TICKS2NS(qopt->mtu), ~0U); in tbf_change()
420 mtu = psched_l2t_ns(&peak, pburst); in tbf_change()
422 max_size = min_t(u64, max_size, psched_ns_t2l(&peak, mtu)); in tbf_change()
429 pr_warn_ratelimited("sch_tbf: burst %llu is lower than device %s mtu ( in tbf_change()
368 s64 buffer, mtu; tbf_change() local
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/linux/net/ipv4/
H A Dip_forward.c43 static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu) in ip_exceeds_mtu() argument
45 if (skb->len <= mtu) in ip_exceeds_mtu()
52 if (unlikely(IPCB(skb)->frag_max_size > mtu)) in ip_exceeds_mtu()
58 if (skb_is_gso(skb) && skb_gso_validate_network_len(skb, mtu)) in ip_exceeds_mtu()
85 u32 mtu; in ip_forward() local
134 mtu = ip_dst_mtu_maybe_forward(&rt->dst, true); in ip_forward()
135 if (ip_exceeds_mtu(skb, mtu)) { in ip_forward()
138 htonl(mtu)); in ip_forward()
H A Dip_tunnel.c286 int mtu = ETH_DATA_LEN; in ip_tunnel_bind_dev() local
317 mtu = min(tdev->mtu, IP_MAX_MTU); in ip_tunnel_bind_dev()
321 mtu -= t_hlen + (dev->type == ARPHRD_ETHER ? dev->hard_header_len : 0); in ip_tunnel_bind_dev()
323 if (mtu < IPV4_MIN_MTU) in ip_tunnel_bind_dev()
324 mtu = IPV4_MIN_MTU; in ip_tunnel_bind_dev()
326 return mtu; in ip_tunnel_bind_dev()
336 int mtu; in ip_tunnel_create() local
343 mtu = ip_tunnel_bind_dev(dev); in ip_tunnel_create()
344 err = dev_set_mtu(dev, mtu); in ip_tunnel_create()
519 int mtu; in tnl_update_pmtu() local
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H A Dip_output.c91 unsigned int mtu,
250 struct sk_buff *skb, unsigned int mtu) in ip_finish_output_gso() argument
258 if (skb_gso_validate_network_len(skb, mtu)) in ip_finish_output_gso()
288 err = ip_fragment(net, sk, segs, mtu, ip_finish_output2); in ip_finish_output_gso()
299 unsigned int mtu; in __ip_finish_output() local
308 mtu = ip_skb_dst_mtu(sk, skb); in __ip_finish_output()
310 return ip_finish_output_gso(net, sk, skb, mtu); in __ip_finish_output()
312 if (skb->len > mtu || IPCB(skb)->frag_max_size) in __ip_finish_output()
313 return ip_fragment(net, sk, skb, mtu, ip_finish_output2); in __ip_finish_output()
577 unsigned int mtu, in ip_fragment() argument
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/linux/net/rxrpc/
H A Dpeer_event.c103 static void rxrpc_adjust_mtu(struct rxrpc_peer *peer, unsigned int mtu) in rxrpc_adjust_mtu() argument
108 if (mtu > 0 && peer->if_mtu == 65535 && mtu < peer->if_mtu) in rxrpc_adjust_mtu()
109 peer->if_mtu = mtu; in rxrpc_adjust_mtu()
111 if (mtu == 0) { in rxrpc_adjust_mtu()
113 mtu = peer->if_mtu; in rxrpc_adjust_mtu()
114 if (mtu > 1500) { in rxrpc_adjust_mtu()
115 mtu >>= 1; in rxrpc_adjust_mtu()
116 if (mtu < 1500) in rxrpc_adjust_mtu()
117 mtu = 1500; in rxrpc_adjust_mtu()
119 mtu -= 100; in rxrpc_adjust_mtu()
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/linux/include/rdma/
H A Dib_addr.h174 static inline enum ib_mtu iboe_get_mtu(int mtu) in iboe_get_mtu() argument
179 mtu = mtu - (IB_GRH_BYTES + IB_UDP_BYTES + IB_BTH_BYTES + in iboe_get_mtu()
183 if (mtu >= ib_mtu_enum_to_int(IB_MTU_4096)) in iboe_get_mtu()
185 else if (mtu >= ib_mtu_enum_to_int(IB_MTU_2048)) in iboe_get_mtu()
187 else if (mtu >= ib_mtu_enum_to_int(IB_MTU_1024)) in iboe_get_mtu()
189 else if (mtu >= ib_mtu_enum_to_int(IB_MTU_512)) in iboe_get_mtu()
191 else if (mtu >= ib_mtu_enum_to_int(IB_MTU_256)) in iboe_get_mtu()
/linux/drivers/net/ethernet/intel/libeth/
H A Drx.c25 len = READ_ONCE(pp->netdev->mtu) + LIBETH_RX_LL_LEN; in libeth_rx_hw_len_mtu()
119 u32 mtu, max; in libeth_rx_page_pool_params_zc() local
126 mtu = READ_ONCE(pp->netdev->mtu); in libeth_rx_page_pool_params_zc()
129 mtu = fq->truesize; in libeth_rx_page_pool_params_zc()
135 mtu = roundup_pow_of_two(mtu); in libeth_rx_page_pool_params_zc()
139 fq->buf_len = clamp(mtu, LIBETH_RX_BUF_STRIDE, max); in libeth_rx_page_pool_params_zc()
/linux/net/mctp/test/
H A Dutils.c30 ndev->mtu = MCTP_DEV_TEST_MTU; in mctp_test_dev_setup()
123 unsigned int mtu) in mctp_test_create_route_direct()
133 rt->rt.mtu = mtu; in mctp_test_create_route_direct()
149 unsigned int mtu) in mctp_test_create_route_gw()
159 rt->rt.mtu = mtu; in mctp_test_create_route_gw()
172 struct mctp_test_dev *dev, unsigned int mtu)
180 dst->mtu = mtu; in mctp_test_dst_setup()
125 mctp_test_create_route_direct(struct net * net,struct mctp_dev * dev,mctp_eid_t eid,unsigned int mtu) mctp_test_create_route_direct() argument
151 mctp_test_create_route_gw(struct net * net,unsigned int netid,mctp_eid_t eid,mctp_eid_t gw,unsigned int mtu) mctp_test_create_route_gw() argument
176 mctp_test_dst_setup(struct kunit * test,struct mctp_dst * dst,struct mctp_test_dev * dev,struct mctp_test_pktqueue * tpq,unsigned int mtu) mctp_test_dst_setup() argument
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/linux/tools/testing/selftests/net/netfilter/
H A Dnf_conntrack_packetdrill.sh36 local mtu=1500
44 mtu=1520
47 timeout "$PDRILL_TIMEOUT" unshare -n packetdrill --ip_version="$ipver" --mtu=$mtu \
/linux/net/mctp/
H A Droute.c628 if (skb->len > dst->mtu) { in mctp_dst_output()
882 unsigned int mtu, struct mctp_route *route) in mctp_dst_from_route() argument
887 dst->mtu = READ_ONCE(dst->dev->dev->mtu); in mctp_dst_from_route()
888 if (mtu) in mctp_dst_from_route()
889 dst->mtu = min(dst->mtu, mtu); in mctp_dst_from_route()
920 dst->mtu = READ_ONCE(netdev->mtu); in mctp_dst_from_extaddr()
957 unsigned int depth, mtu = 0; in mctp_route_lookup() local
972 if (mtu && rt->mtu) in mctp_route_lookup()
973 mtu = min(mtu, rt->mtu); in mctp_route_lookup()
975 mtu = mtu ?: rt->mtu; in mctp_route_lookup()
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